A viewset for viewing and editing Precious Metals.

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{
    "count": 398,
    "next": "https://seshat-db.com/api/sc/precious-metals/?format=api&page=6",
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    "results": [
        {
            "id": 201,
            "polity": {
                "id": 528,
                "name": "mx_monte_alban_3_a",
                "long_name": "Monte Alban III",
                "start_year": 200,
                "end_year": 500
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "absent",
            "comment": null,
            "description": " Sources do not suggest that monetary items have been found dating to this period.§REF§Marcus and Flannery (1996) Zapotec Civilization: How urban society evolved in Mexico’s Oaxaca Valley. Flannery and Marcus (1983) The Cloud People: divergent evolution of the Zapotec and Mixtec civilizations. Museum of Anthropology, University of Michigan, Ann Arbor. Academic Press, New York.§REF§"
        },
        {
            "id": 202,
            "polity": {
                "id": 529,
                "name": "mx_monte_alban_3_b_4",
                "long_name": "Monte Alban IIIB and IV",
                "start_year": 500,
                "end_year": 900
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "absent",
            "comment": null,
            "description": " Sources do not suggest that monetary items have been found dating to this period.§REF§Marcus and Flannery (1996) Zapotec Civilization: How urban society evolved in Mexico’s Oaxaca Valley. Flannery and Marcus (1983) The Cloud People: divergent evolution of the Zapotec and Mixtec civilizations. Museum of Anthropology, University of Michigan, Ann Arbor. Academic Press, New York.§REF§"
        },
        {
            "id": 203,
            "polity": {
                "id": 532,
                "name": "mx_monte_alban_5",
                "long_name": "Monte Alban V",
                "start_year": 900,
                "end_year": 1520
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "absent",
            "comment": null,
            "description": " Monetary items have not been found dating to this period.§REF§Marcus and Flannery (1996) Zapotec Civilization: How urban society evolved in Mexico’s Oaxaca Valley. Flannery and Marcus (1983) The Cloud People: divergent evolution of the Zapotec and Mixtec civilizations. Museum of Anthropology, University of Michigan, Ann Arbor. Academic Press, New York.§REF§"
        },
        {
            "id": 204,
            "polity": {
                "id": 8,
                "name": "mx_basin_of_mexico_3",
                "long_name": "Early Formative Basin of Mexico",
                "start_year": -1200,
                "end_year": -801
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "absent",
            "comment": null,
            "description": " The first evidence for the introduction of indigenously produced copper-based metallurgy in Mesoamerica is c.600 CE.§REF§Shugar, Aaron N. and Scott E. Simmons. (2013) <i>Archaeometallurgy in Mesoamerica: Current Approaches and New Perspectives.</i> Boulder: University Press of Colorado, pg. 1-4.§REF§"
        },
        {
            "id": 205,
            "polity": {
                "id": 10,
                "name": "mx_basin_of_mexico_5",
                "long_name": "Late Formative Basin of Mexico",
                "start_year": -400,
                "end_year": -101
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "absent",
            "comment": null,
            "description": " The first evidence for the introduction of indigenously produced (copper-based) metallurgy in Mesoamerica is c.600 CE for ornamental valuables,§REF§Shugar, Aaron N. and Scott E. Simmons. (2013) <i>Archaeometallurgy in Mesoamerica: Current Approaches and New Perspectives.</i> Boulder: University Press of Colorado, pg. 1-4.§REF§ and the system closest to coinage ever practiced in Mesoamerica was the widespread use of cacao beans and copper axes as media of exchange during the Postclassic.§REF§Berdan, Frances F., Marilyn A. Masson, Janine Gasco, and Michael E. Smith. (2003) \"An International Economy.\" In Michael E. Smith and Frances F. Berdan (eds.) <i>The Postclassic Mesoamerican World.</i> Salt Lake City: The University of Utah Press, pg. 102.§REF§"
        },
        {
            "id": 206,
            "polity": {
                "id": 9,
                "name": "mx_basin_of_mexico_4",
                "long_name": "Middle Formative Basin of Mexico",
                "start_year": -800,
                "end_year": -401
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "absent",
            "comment": null,
            "description": " The first evidence for the introduction of indigenously produced copper-based metallurgy in Mesoamerica is c.600 CE.§REF§Shugar, Aaron N. and Scott E. Simmons. (2013) <i>Archaeometallurgy in Mesoamerica: Current Approaches and New Perspectives.</i> Boulder: University Press of Colorado, pg. 1-4.§REF§"
        },
        {
            "id": 207,
            "polity": {
                "id": 11,
                "name": "mx_basin_of_mexico_6",
                "long_name": "Terminal Formative Basin of Mexico",
                "start_year": -100,
                "end_year": 99
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "absent",
            "comment": null,
            "description": " The first evidence for the introduction of indigenously produced (copper-based) metallurgy in Mesoamerica is c.600 CE for ornamental valuables,§REF§Shugar, Aaron N. and Scott E. Simmons. (2013) <i>Archaeometallurgy in Mesoamerica: Current Approaches and New Perspectives.</i> Boulder: University Press of Colorado, pg. 1-4.§REF§ and the system closest to coinage ever practiced in Mesoamerica was the widespread use of cacao beans and copper axes as media of exchange during the Postclassic.§REF§Berdan, Frances F., Marilyn A. Masson, Janine Gasco, and Michael E. Smith. (2003) \"An International Economy.\" In Michael E. Smith and Frances F. Berdan (eds.) <i>The Postclassic Mesoamerican World.</i> Salt Lake City: The University of Utah Press, pg. 102.§REF§"
        },
        {
            "id": 208,
            "polity": {
                "id": 524,
                "name": "mx_rosario",
                "long_name": "Oaxaca - Rosario",
                "start_year": -700,
                "end_year": -500
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "absent",
            "comment": null,
            "description": " Sources do not suggest that monetary items have been found dating to this period.§REF§Marcus and Flannery (1996) Zapotec Civilization: How urban society evolved in Mexico’s Oaxaca Valley. Flannery and Marcus (1983) The Cloud People: divergent evolution of the Zapotec and Mixtec civilizations. Museum of Anthropology, University of Michigan, Ann Arbor. Academic Press, New York.§REF§"
        },
        {
            "id": 209,
            "polity": {
                "id": 523,
                "name": "mx_san_jose",
                "long_name": "Oaxaca - San Jose",
                "start_year": -1150,
                "end_year": -700
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "absent",
            "comment": null,
            "description": " Although exchange of goods will have taken place, sources do not suggest that specific monetary items have been found dating to this period.§REF§Marcus and Flannery (1996) Zapotec Civilization: How urban society evolved in Mexico’s Oaxaca Valley. Flannery and Marcus (1983) The Cloud People: divergent evolution of the Zapotec and Mixtec civilizations. Museum of Anthropology, University of Michigan, Ann Arbor. Academic Press, New York.§REF§"
        },
        {
            "id": 210,
            "polity": {
                "id": 522,
                "name": "mx_tierras_largas",
                "long_name": "Oaxaca - Tierras Largas",
                "start_year": -1400,
                "end_year": -1150
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "absent",
            "comment": null,
            "description": " Although exchange of goods will have taken place, sources do not suggest that specific monetary items have been found dating to this period.§REF§Marcus and Flannery (1996) Zapotec Civilization: How urban society evolved in Mexico’s Oaxaca Valley. Flannery and Marcus (1983) The Cloud People: divergent evolution of the Zapotec and Mixtec civilizations. Museum of Anthropology, University of Michigan, Ann Arbor. Academic Press, New York.§REF§"
        },
        {
            "id": 211,
            "polity": {
                "id": 116,
                "name": "no_norway_k_2",
                "long_name": "Kingdom of Norway II",
                "start_year": 1262,
                "end_year": 1396
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "present",
            "comment": null,
            "description": " The following was imported from the Commonwealth-era sheet: 'During the Icelandic Commonwealth people used foreign coins but only in the sense as a piece of precious metal. The nominal value of the coins was irrelevant. Often coins were cut up to match the price of a purchase. We should also specify: gold, silver, copper/bronze.' §REF§Árni Daniel Júlíusson and Axel Kristissen 2017, pers. comm. to E. Brandl and D. Mullins§REF§ 'There were no formal markets and most exchanges and payments, such as rents, were made in kind. Regular assemblies provided a venue for traders and specialized producers who also traveled among farmsteads. Despite the rarity of monetary exchanges, the Icelanders maintained a complex system of value equivalencies based on a silver ounce standard that encompassed most exchangeable goods.' §REF§Bolender, Douglas James and Beierle, John: eHRAF Cultural Summary for Early Icelanders§REF§"
        },
        {
            "id": 212,
            "polity": {
                "id": 78,
                "name": "pe_cuzco_2",
                "long_name": "Cuzco - Early Intermediate I",
                "start_year": 200,
                "end_year": 499
            },
            "year_from": null,
            "year_to": null,
            "tag": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "unknown",
            "comment": null,
            "description": null
        },
        {
            "id": 213,
            "polity": {
                "id": 79,
                "name": "pe_cuzco_3",
                "long_name": "Cuzco - Early Intermediate II",
                "start_year": 500,
                "end_year": 649
            },
            "year_from": null,
            "year_to": null,
            "tag": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "unknown",
            "comment": null,
            "description": null
        },
        {
            "id": 214,
            "polity": {
                "id": 81,
                "name": "pe_cuzco_5",
                "long_name": "Cuzco - Late Intermediate I",
                "start_year": 1000,
                "end_year": 1250
            },
            "year_from": null,
            "year_to": null,
            "tag": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "unknown",
            "comment": null,
            "description": " Marriage gifts included fine textiles and other valuable items,§REF§(D'Altroy 2014, 87)§REF§ which may have included exotic bird feathers and precious metals."
        },
        {
            "id": 215,
            "polity": {
                "id": 82,
                "name": "pe_cuzco_6",
                "long_name": "Cuzco - Late Intermediate II",
                "start_year": 1250,
                "end_year": 1400
            },
            "year_from": null,
            "year_to": null,
            "tag": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "unknown",
            "comment": null,
            "description": " Marriage gifts included fine textiles and other valuable items,§REF§(D'Altroy 2014, 87)§REF§ which may have included exotic bird feathers and precious metals."
        },
        {
            "id": 216,
            "polity": {
                "id": 83,
                "name": "pe_inca_emp",
                "long_name": "Inca Empire",
                "start_year": 1375,
                "end_year": 1532
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "absent",
            "comment": null,
            "description": " Tribute store houses contained bars of copper and plates of silver and gold. §REF§(Bauer 2004, 96)§REF§ Although the monetary use of these resources is not confirmed. \"Although they annexed lands with markets, money, and specialized communities, the Incas did not adopt market features into their state economy. Instead, they created an independent set of state resources and institutions that provided for their needs.\" §REF§(D'Altroy 2014, 394)§REF§"
        },
        {
            "id": 217,
            "polity": {
                "id": 80,
                "name": "pe_wari_emp",
                "long_name": "Wari Empire",
                "start_year": 650,
                "end_year": 999
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "absent",
            "comment": null,
            "description": " The Wari used precious metals but as symbols of power or for a ritual use. They had no role as a medium of exchange."
        },
        {
            "id": 218,
            "polity": {
                "id": 445,
                "name": "pg_orokaiva_pre_colonial",
                "long_name": "Orokaiva - Pre-Colonial",
                "start_year": 1734,
                "end_year": 1883
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "absent",
            "comment": null,
            "description": " According to SCCS variable 17 'Money (Media of Exchange) and Credit', ‘1’ or 'No media of exchange or money' was present, not 'Domestically used articles as media of exchange' or 'Tokens of conventional value as media of exchange' or 'Foreign coinage or paper coinage', or 'Indigenous coinage or paper currency'."
        },
        {
            "id": 219,
            "polity": {
                "id": 446,
                "name": "pg_orokaiva_colonial",
                "long_name": "Orokaiva - Colonial",
                "start_year": 1884,
                "end_year": 1942
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "absent",
            "comment": null,
            "description": " According to SCCS variable 17 'Money (Media of Exchange) and Credit', ‘1’ or 'No media of exchange or money' was present, not 'Domestically used articles as media of exchange' or 'Tokens of conventional value as media of exchange' or 'Foreign coinage or paper coinage', or 'Indigenous coinage or paper currency'."
        },
        {
            "id": 220,
            "polity": {
                "id": 117,
                "name": "pk_kachi_enl",
                "long_name": "Kachi Plain - Aceramic Neolithic",
                "start_year": -7500,
                "end_year": -5500
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "unknown",
            "comment": null,
            "description": " Copper was present from Mehrgarh III§REF§Petrie, C. A. (in press) Chapter 11, Case Study: Mehrgarh. In, Barker, G and Goucher, C (eds.) Cambridge World History, Volume 2: A World with Agriculture, 12,000 BCE - 500 CE. Cambridge University Press: Cambridge§REF§, but may not have been used as 'money'."
        },
        {
            "id": 221,
            "polity": {
                "id": 118,
                "name": "pk_kachi_lnl",
                "long_name": "Kachi Plain - Ceramic Neolithic",
                "start_year": -5500,
                "end_year": -4000
            },
            "year_from": null,
            "year_to": null,
            "tag": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "unknown",
            "comment": null,
            "description": " Copper was present from Mehrgarh III§REF§Petrie, C. A. (in press) Chapter 11, Case Study: Mehrgarh. In, Barker, G and Goucher, C (eds.) Cambridge World History, Volume 2: A World with Agriculture, 12,000 BCE - 500 CE. Cambridge University Press: Cambridge§REF§, but may not have been used as 'money'."
        },
        {
            "id": 222,
            "polity": {
                "id": 119,
                "name": "pk_kachi_ca",
                "long_name": "Kachi Plain - Chalcolithic",
                "start_year": -4000,
                "end_year": -3200
            },
            "year_from": null,
            "year_to": null,
            "tag": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "unknown",
            "comment": null,
            "description": " Copper was present from Mehrgarh III§REF§Petrie, C. A. (in press) Chapter 11, Case Study: Mehrgarh. In, Barker, G and Goucher, C (eds.) Cambridge World History, Volume 2: A World with Agriculture, 12,000 BCE - 500 CE. Cambridge University Press: Cambridge§REF§, but may not have been used as 'money'."
        },
        {
            "id": 223,
            "polity": {
                "id": 123,
                "name": "pk_kachi_post_urban",
                "long_name": "Kachi Plain - Post-Urban Period",
                "start_year": -1800,
                "end_year": -1300
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "present",
            "comment": null,
            "description": " Two pieces of gold have been found at Pirak, but it is not known whether they were used for a monetary function.§REF§Jarrige, J-F. (1979) Fouilles de Pirak. Paris : Diffusion de Boccard. p363, 372, p379§REF§ In the context of the concurrent Early Vedic, Gold pieces are mentioned in the Vedic texts, and so may have been used as items for exchange.§REF§Singh, Upinder, A History of Ancient and Early Medieval India: From the Stone Age to the 12th Century (New Delhi: Pearson Education, 2008), p.190-191.§REF§"
        },
        {
            "id": 224,
            "polity": {
                "id": 120,
                "name": "pk_kachi_pre_urban",
                "long_name": "Kachi Plain - Pre-Urban Period",
                "start_year": -3200,
                "end_year": -2500
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "unknown",
            "comment": null,
            "description": " Copper was present from Mehrgarh III§REF§Petrie, C. A. (in press) Chapter 11, Case Study: Mehrgarh. In, Barker, G and Goucher, C (eds.) Cambridge World History, Volume 2: A World with Agriculture, 12,000 BCE - 500 CE. Cambridge University Press: Cambridge§REF§, but may not have been used as 'money'."
        },
        {
            "id": 225,
            "polity": {
                "id": 121,
                "name": "pk_kachi_urban_1",
                "long_name": "Kachi Plain - Urban Period I",
                "start_year": -2500,
                "end_year": -2100
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "present",
            "comment": null,
            "description": " \"Based on Mesopotamian texts, the materials that did function in exchanges were \"barley, lead, copper or bronze, tin, silver, gold... Barley, lead and copper or bronze...[were]...cheaper monies, tin was mid-range, silver and the much rarer gold were high-range monies\" (Powell 1996: 227ff)... What distinguishes silver and barley from the materials listed, along with \"cows, sheep, asses, slaves, household utensils\" and other items, is that they possessed a common denominator for value based on systems of weighing, measuring, and possibly quality.\"§REF§Wright, R. P. (2010) The Ancient Indus: urbanism, economy and society. Cambridge, Cambridge University Press. p260§REF§ Monetary items were therefore present in the Indus area at this time, and presumed present at Nausharo in order to trade for foreign items§REF§Wright, R. P. (2010) The Ancient Indus: urbanism, economy and society. Cambridge, Cambridge University Press. p259§REF§, but there direct evidence for 'money' at Nausharo is lacking."
        },
        {
            "id": 226,
            "polity": {
                "id": 122,
                "name": "pk_kachi_urban_2",
                "long_name": "Kachi Plain - Urban Period II",
                "start_year": -2100,
                "end_year": -1800
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "present",
            "comment": null,
            "description": " \"Based on Mesopotamian texts, the materials that did function in exchanges were \"barley, lead, copper or bronze, tin, silver, gold... Barley, lead and copper or bronze...[were]...cheaper monies, tin was mid-range, silver and the much rarer gold were high-range monies\" (Powell 1996: 227ff)... What distinguishes silver and barley from the materials listed, along with \"cows, sheep, asses, slaves, household utensils\" and other items, is that they possessed a common denominator for value based on systems of weighing, measuring, and possibly quality.\"§REF§Wright, R. P. (2010) The Ancient Indus: urbanism, economy and society. Cambridge, Cambridge University Press. p260§REF§ Monetary items were therefore present in the Indus area at this time, and presumed present at Nausharo in order to trade for foreign items§REF§Wright, R. P. (2010) The Ancient Indus: urbanism, economy and society. Cambridge, Cambridge University Press. p259§REF§, but there direct evidence for 'money' at Nausharo is lacking."
        },
        {
            "id": 227,
            "polity": {
                "id": 194,
                "name": "ru_sakha_early",
                "long_name": "Sakha - Early",
                "start_year": 1400,
                "end_year": 1632
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "absent",
            "comment": null,
            "description": null
        },
        {
            "id": 228,
            "polity": {
                "id": 195,
                "name": "ru_sakha_late",
                "long_name": "Sakha - Late",
                "start_year": 1632,
                "end_year": 1900
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "absent",
            "comment": null,
            "description": null
        },
        {
            "id": 229,
            "polity": {
                "id": 521,
                "name": "eg_kushite",
                "long_name": "Egypt - Kushite Period",
                "start_year": -747,
                "end_year": -656
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "present",
            "comment": null,
            "description": null
        },
        {
            "id": 230,
            "polity": {
                "id": 131,
                "name": "sy_umayyad_cal",
                "long_name": "Umayyad Caliphate",
                "start_year": 661,
                "end_year": 750
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "present",
            "comment": null,
            "description": null
        },
        {
            "id": 231,
            "polity": {
                "id": 44,
                "name": "th_ayutthaya",
                "long_name": "Ayutthaya",
                "start_year": 1593,
                "end_year": 1767
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "present",
            "comment": null,
            "description": " \"Sudden conflagrations were reported to have consumed 800 houses in Aceh in 1602 and 8000 in 1688; 1260 in Makassar in 1614, and 10,000 in Ayutthaya in 1545, while most of Pattani was burned during a revolt in 1613. For European and Chinese merchants this was a source of endless anxiety, but Southeast Asians appear to have accepted the essential impermanence of their houses, and to have kept what wealth they had in removable gold, jewellery and cloth. After a fire, whole sections of the city would be rebuilt in a matter of three or four days.\" §REF§(Tarling 1993, p. 476)§REF§"
        },
        {
            "id": 232,
            "polity": {
                "id": 45,
                "name": "th_rattanakosin",
                "long_name": "Rattanakosin",
                "start_year": 1782,
                "end_year": 1873
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "absent",
            "comment": null,
            "description": " Inferred from the fact that these are not mentioned in Van Dongen's detailed lists of all the types of \"money\" circulating in Thailand in the Ayutthaya and Rattanakosin periods."
        },
        {
            "id": 233,
            "polity": {
                "id": 221,
                "name": "tn_fatimid_cal",
                "long_name": "Fatimid Caliphate",
                "start_year": 909,
                "end_year": 1171
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "present",
            "comment": null,
            "description": " Example of products traded at the Market of the Lamps included crystals and ivory§REF§(Raymond 2000, 42)§REF§ and since these were wealthy markets we can imagine trade items probably also included gold and silver."
        },
        {
            "id": 234,
            "polity": {
                "id": 160,
                "name": "tr_konya_eba",
                "long_name": "Konya Plain - Early Bronze Age",
                "start_year": -3000,
                "end_year": -2000
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "present",
            "comment": null,
            "description": " unknown Large-scale trade appeared, and there were trade routes from Syro-Palestine to Aegan across the whole Konya Plain. gold, silver, tin, copper, bronze, electrum, iron, lead, hematite, carnelian, rock crystal, chalcedony, lapis lazuli, faience, textiles§REF§Joukowsky M. S., \"Early Turkey. An Introduction to the Archeology of Anatolia from Prehistory through the Lydian Period\", USA 1996, pp. 166 - 173.§REF§§REF§Sagona A. and P. Zimansky, \"Ancient Turkey\", USA 2009, p. 214§REF§"
        },
        {
            "id": 235,
            "polity": {
                "id": 163,
                "name": "tr_konya_lba",
                "long_name": "Konya Plain - Late Bronze Age II",
                "start_year": -1500,
                "end_year": -1400
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "present",
            "comment": null,
            "description": " Silver in bars or in rings, metered by weight. The units of weight were the shekel and mina§REF§Gurney, O. R. (1952) The Hittites, Penguin. p. 65-71§REF§"
        },
        {
            "id": 236,
            "polity": {
                "id": 161,
                "name": "tr_central_anatolia_mba",
                "long_name": "Middle Bronze Age in Central Anatolia",
                "start_year": -2000,
                "end_year": -1700
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "present",
            "comment": null,
            "description": " Metals according to documents from Kültepe-Kanish dating to the Old Assyrian Colony Period. In Yalcun, Ü. (Ed.), <i>Anatolian Metal III. Der Anschnitt, Beiheft 18</i>. (pp. 17-34). Bochum: Deutsches Bergbau-Museum;"
        },
        {
            "id": 237,
            "polity": {
                "id": 73,
                "name": "tr_byzantine_emp_1",
                "long_name": "Byzantine Empire I",
                "start_year": 632,
                "end_year": 866
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "present",
            "comment": null,
            "description": " Preiser-Kapeller says present.§REF§(Johannes Preiser-Kapeller 2015) Institute for Medieval Research, Division of Byzantine Research, Austrian Academy of Sciences)§REF§"
        },
        {
            "id": 238,
            "polity": {
                "id": 75,
                "name": "tr_byzantine_emp_2",
                "long_name": "Byzantine Empire II",
                "start_year": 867,
                "end_year": 1072
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "present",
            "comment": null,
            "description": " Preiser-Kapeller says present.§REF§(Preiser-Kapeller 2015) Institute for Medieval Research, Division of Byzantine Research, Austrian Academy of Sciences)§REF§"
        },
        {
            "id": 239,
            "polity": {
                "id": 76,
                "name": "tr_byzantine_emp_3",
                "long_name": "Byzantine Empire III",
                "start_year": 1073,
                "end_year": 1204
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "present",
            "comment": null,
            "description": " Preiser-Kapeller says present.§REF§(Preiser-Kapeller 2015) Institute for Medieval Research, Division of Byzantine Research, Austrian Academy of Sciences)§REF§"
        },
        {
            "id": 240,
            "polity": {
                "id": 170,
                "name": "tr_cappadocia_2",
                "long_name": "Late Cappadocia",
                "start_year": -330,
                "end_year": 16
            },
            "year_from": null,
            "year_to": null,
            "tag": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "unknown",
            "comment": null,
            "description": null
        },
        {
            "id": 241,
            "polity": {
                "id": 159,
                "name": "tr_konya_lca",
                "long_name": "Konya Plain - Late Chalcolithic",
                "start_year": -5500,
                "end_year": -3000
            },
            "year_from": null,
            "year_to": null,
            "tag": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "unknown",
            "comment": null,
            "description": null
        },
        {
            "id": 242,
            "polity": {
                "id": 72,
                "name": "tr_east_roman_emp",
                "long_name": "East Roman Empire",
                "start_year": 395,
                "end_year": 631
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "present",
            "comment": null,
            "description": " Coinage system based on precious metals.§REF§(Preiser-Kapeller 2015, Personal Communication)§REF§"
        },
        {
            "id": 243,
            "polity": {
                "id": 164,
                "name": "tr_hatti_new_k",
                "long_name": "Hatti - New Kingdom",
                "start_year": -1400,
                "end_year": -1180
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "present",
            "comment": null,
            "description": " Silver in bars or in rings, metered by weight. The units of weight were the shekel and mina§REF§Gurney, O. R. (1952) The Hittites, Penguin. p. 65-71§REF§"
        },
        {
            "id": 244,
            "polity": {
                "id": 162,
                "name": "tr_hatti_old_k",
                "long_name": "Hatti - Old Kingdom",
                "start_year": -1650,
                "end_year": -1500
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "present",
            "comment": null,
            "description": " Silver in bars or in rings, metered by weight. The units of weight were the shekel and mina§REF§Gurney, O. R. (1952) The Hittites, Penguin. p. 65-71§REF§"
        },
        {
            "id": 245,
            "polity": {
                "id": 168,
                "name": "tr_lydia_k",
                "long_name": "Kingdom of Lydia",
                "start_year": -670,
                "end_year": -546
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "present",
            "comment": null,
            "description": " Lydia had a reputation among Greek historians for its luxury and opulence."
        },
        {
            "id": 246,
            "polity": {
                "id": 173,
                "name": "tr_ottoman_emirate",
                "long_name": "Ottoman Emirate",
                "start_year": 1299,
                "end_year": 1402
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "present",
            "comment": null,
            "description": null
        },
        {
            "id": 247,
            "polity": {
                "id": 174,
                "name": "tr_ottoman_emp_1",
                "long_name": "Ottoman Empire I",
                "start_year": 1402,
                "end_year": 1517
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "present",
            "comment": null,
            "description": null
        },
        {
            "id": 248,
            "polity": {
                "id": 175,
                "name": "tr_ottoman_emp_2",
                "long_name": "Ottoman Empire II",
                "start_year": 1517,
                "end_year": 1683
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "present",
            "comment": null,
            "description": null
        },
        {
            "id": 249,
            "polity": {
                "id": 176,
                "name": "tr_ottoman_emp_3",
                "long_name": "Ottoman Empire III",
                "start_year": 1683,
                "end_year": 1839
            },
            "year_from": null,
            "year_to": null,
            "tag": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "unknown",
            "comment": null,
            "description": null
        },
        {
            "id": 250,
            "polity": {
                "id": 71,
                "name": "tr_roman_dominate",
                "long_name": "Roman Empire - Dominate",
                "start_year": 285,
                "end_year": 394
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Precious_metal",
            "precious_metal": "present",
            "comment": null,
            "description": " gold was used as a store of wealth (cf J.-M. Carrié 2003 \"Solidus et Credit\") and conceivably was used for payment."
        }
    ]
}