Catalog
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| Issuer | Korea |
|---|---|
| Year | 1806 |
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| Value | Log in to see details |
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| Composition | Log in to see details |
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| Diameter | 25 mm |
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| Obverse description | Log in to see details |
|---|---|
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| Obverse lettering | 常平通寶 |
| Reverse description | The reverse features three Chinese characters arranged around the central square hole in the conventional cast cash coin format: the mint mark 惠 (Hye) at top, identifying the issuing bureau as the Sonhyecheong (Rice and Cloth Department); a series numeral at right or bottom indicating the specific casting series; and the character 十二 (12) denoting series twelve. The characters are cast in relief in regular script against a plain field, following standard Joseon cash coin conventions. |
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| Additional information |
Cast, not struck — Korean mun coinage was produced by pouring molten copper into sand molds, a technique that makes no two coins truly identical and leaves characteristic casting sprues on many survivors. The Hye inscription identifies the issuing agency as the Hyeminseo, a government medical bureau that operated its own foundry as a revenue-generating operation under the Joseon court. By 1806 Korea's copper supply was chronically strained, and many mun from this period show deliberate alloy adulteration.