Catalog
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| Issuer | Korea |
|---|---|
| Year | 1852 |
| Type | Log in to see details |
| Value | Log in to see details |
| Currency | Log in to see details |
| Composition | Copper (copper or brass) |
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| Obverse description | Central square hole flanked by four Chinese ideograms arranged in cruciform pattern within a plain circular field. Reading top to bottom, the characters 常平 (Sang-pyong) identify the Sangpyeong Treasury Office of the Joseon Dynasty, while reading right to left, the characters 通寶 (Tong-bo) denote general currency. The characters are rendered in standard script (kaishu) style typical of Joseon-period cast cash coinage, with inner and outer raised rims framing the inscription. |
|---|---|
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| Reverse description | Log in to see details |
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| Reverse lettering | 户 十 宙 (Translation: Treasury Department, series 'Chu' (from Thousand Character Classic), serial number 10) |
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| Additional information |
The 1 Mun coins of Joseon-era Korea were cast, not struck — produced by pouring molten metal into sand molds, a method that had remained essentially unchanged for centuries. KM#51 was issued under the authority of the Hojo, the Board of Revenue, one of several competing government offices permitted to operate their own furnaces. That administrative fragmentation is precisely why Joseon cash coins vary so dramatically in weight and alloy: no single mint held a monopoly, and quality control was a bureaucratic fiction.