Catalog
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| Issuer | Kingdom of Joseon |
|---|---|
| Year | 1742-1752 |
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| Value | Log in to see details |
| Currency | Log in to see details |
| Composition | Log in to see details |
| Weight | Log in to see details |
| Diameter | Log in to see details |
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| Orientation | Medal alignment ↑↑ |
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| Obverse description | Cast brass cash-type coin with a central square perforation, typical of Joseon dynasty monetary issues. The four-character legend 常平通寶 (Sangpyeong Tongbo) is arranged in the four cardinal positions around the central hole, reading top-bottom-right-left in the traditional Chinese fashion. The characters are rendered in regular script (kaishu) with raised strokes against a flat field. The obverse is heavily patinated with green and brown encrustations consistent with age, and the coin exhibits characteristic casting irregularities along the inner rim of the square hole. |
|---|---|
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| Obverse lettering | Log in to see details |
| Reverse description | The reverse displays a single Chinese character mint or batch identifier above the central square hole and a denomination mark below, both in raised relief against a flat, unbordered field. The character 洪 (hong, meaning 'flood' or referencing the issuing bureau) appears prominently in the lower field, while an additional character is visible above the perforation. The casting surface shows extensive verdigris patination and pitting, with a broad, plain outer rim framing the inner annular field. |
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| Reverse lettering | Log in to see details |
| Edge | Plain |
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