Catalog
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| Issuer | Korea |
|---|---|
| Year | 1742 |
| Type | Log in to see details |
| Value | Log in to see details |
| Currency | Kingdom of Joseon - Mun (1633-1892) |
| Composition | Log in to see details |
| Weight | Log in to see details |
| Diameter | Log in to see details |
| Thickness | Log in to see details |
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| Technique | Log in to see details |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Chinese (traditional, regular script) |
| Obverse lettering | 常平通寶 |
| Reverse description | Log in to see details |
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| Additional information |
Cast — not struck — at one of the numerous provincial military offices authorized to produce cash coinage under the Joseon dynasty, this issue dates to a period when minting rights were deliberately distributed across dozens of government bureaus to manage chronic copper shortages. Each furnace used a different reverse mint mark, making KM#340 one of dozens of closely related varieties produced under the same nominal authorization. The specific casting bureau can often be confirmed only by that reverse mark.