Catalog
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| Issuer | Joseon (1392-1897) |
|---|---|
| Year | 1757 |
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| Value | Log in to see details |
| Currency | Log in to see details |
| Composition | Log in to see details |
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| Diameter | Log in to see details |
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| Shape | Round with a square hole |
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| Obverse description | Round cash-style coin with a square central hole. Four Chinese characters arranged in cruciform reading order around the central perforation: 常 (Sang) at top, 平 (Pyong) at bottom, 通 (Tong) at right, and 寶 (Bo) at left. Together, the top-bottom pair reads 常平 (Sangpyong), referring to the Joseon government agency Sangpyeong-cheong (the Ever-Normal Office), and the right-left pair reads 通寶 (Tongbo), meaning 'circulating treasure' or currency. Characters are rendered in regular script (kaishu) and cast in relief against a plain field. |
|---|---|
| Obverse script | Chinese (traditional, regular script) |
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| Reverse description | Plain field surrounding the central square hole, with three elements arranged around the perforation: the mint mark 捴 (Chong, denoting the General Military Office, Chong-eoyeong) at top, a circular symbol (○) at left, and a serial number character at bottom — in this series, 四 (four) indicating Series 4. The reverse identifies both the issuing mint and the production batch within the Sangpyeong Tongbo coinage system. |
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