{"product_id":"bunsei-koban-1819-28-au-58","title":"[JK-080] Bunsei Koban 1819-28 AU-58","description":"\u003ctable id=\"tablepress-382-no-3\" class=\"tablepress tablepress-id-382\" style=\"font-size: 0.875rem; width: 100%; height: 204.75px;\"\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-1 odd\" style=\"height: 126.375px;\"\u003e\n\u003ctd class=\"column-1\" style=\"width: 30.5903%; height: 126.375px;\"\u003eDetail\u003c\/td\u003e\n\u003ctd class=\"column-2\" style=\"width: 69.0519%; height: 126.375px;\"\u003e\n\u003cdiv\u003e\n\u003cp data-end=\"469\" data-start=\"167\"\u003e\u003cstrong data-end=\"183\" data-start=\"167\"\u003e●Bunsei Koban\u003c\/strong\u003e is a gold coin issued during the \u003cstrong data-end=\"243\" data-start=\"217\"\u003eBunsei era (1819–1828)\u003c\/strong\u003e in the late Edo period, under the Tokugawa shogunate. It represents one of the final major koban issues before the monetary reforms of the Tenpō era, reflecting the fiscal pressures faced by the shogunate in the 19th century.\u003c\/p\u003e\n\u003cp data-end=\"791\" data-start=\"471\"\u003eThe Bunsei Koban is struck in a gold–silver alloy with an approximate fineness of \u003cstrong data-end=\"566\" data-start=\"553\"\u003e.559 gold\u003c\/strong\u003e, the balance being primarily silver.\u003cbr data-end=\"606\" data-start=\"603\"\u003eOn the reverse, it bears the era character \u003cstrong data-end=\"662\" data-start=\"649\"\u003e“Bun” (文)\u003c\/strong\u003e in a \u003cstrong data-end=\"692\" data-start=\"668\"\u003ecursive script style\u003c\/strong\u003e, distinguishing it from earlier Genbun issues, which display the same character in regular script.\u003c\/p\u003e\n\u003cp data-end=\"999\" data-start=\"793\"\u003e\u003cstrong data-end=\"802\" data-start=\"793\"\u003eDate:\u003c\/strong\u003e \u003cem data-end=\"837\" data-start=\"803\"\u003eND (circa 1819–1828, Edo period)\u003c\/em\u003e\u003cbr data-end=\"840\" data-start=\"837\"\u003eAs with other Edo-period gold coins, Bunsei Koban are non-dated issues and are attributed to this era based on their stamped characters and stylistic features.\u003c\/p\u003e\n\u003cp data-end=\"1332\" data-start=\"1001\"\u003eAlthough produced in large quantities, \u003cstrong data-end=\"1112\" data-start=\"1040\"\u003ehigh-quality surviving examples are increasingly difficult to obtain\u003c\/strong\u003e, particularly those with clear stamps, balanced color, and well-preserved surface texture. As a result, Bunsei Koban remain an important and actively collected type within the series of Japanese pre-modern gold coinage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cp\u003eBunsei Koban : \u003cstrong\u003ePurity 55.9%\/ 13.10g\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-2 even\" style=\"height: 19.5938px;\"\u003e\n\u003ctd class=\"column-1\" style=\"width: 30.5903%; height: 19.5938px;\"\u003eValue\u003c\/td\u003e\n\u003ctd class=\"column-2\" style=\"width: 69.0519%; height: 19.5938px;\"\u003e1 Ryo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\" style=\"height: 19.5938px;\"\u003e\n\u003ctd class=\"column-1\" style=\"width: 30.5903%; height: 19.5938px;\"\u003eCondition\u003c\/td\u003e\n\u003ctd class=\"column-2\" style=\"width: 69.0519%; height: 19.5938px;\"\u003eAU-58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\" style=\"height: 19.5938px;\"\u003e\n\u003ctd class=\"column-1\" style=\"width: 30.5903%; height: 19.5938px;\"\u003eYear\u003c\/td\u003e\n\u003ctd class=\"column-2\" style=\"width: 69.0519%; height: 19.5938px;\"\u003e1819-28\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-7 odd\" style=\"height: 19.5938px;\"\u003e\n\u003ctd class=\"column-1\" style=\"width: 30.5903%; height: 19.5938px;\"\u003eControl Number\u003c\/td\u003e\n\u003ctd class=\"column-2\" style=\"width: 69.0519%; height: 19.5938px;\"\u003e\n\u003cp\u003eJK-080\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"TNT Store","offers":[{"title":"Default Title","offer_id":52987225735490,"sku":null,"price":750000.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/9250\/3874\/files\/2C0C2DB0-92FC-4710-B897-6C0F3DAFB12A.jpg?v=1777572212","url":"https:\/\/tntcoin-store.com\/products\/bunsei-koban-1819-28-au-58","provider":"TNT Store","version":"1.0","type":"link"}