Catalog
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| Issuer | Korea |
|---|---|
| Year | 1742-1752 |
| Type | Log in to see details |
| 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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| In circulation to | Log in to see details |
| Reference(s) | KM#330 |
| Obverse description | Central square hole surrounded by a raised rim. Four Chinese characters arranged in cruciform layout around the central perforation: 常平通寶 (Sangpyeong Tongbo), reading top-to-bottom and right-to-left. The characters 常 (sang) and 平 (pyeong) appear in the vertical axis, while 通 (tong) and 寶 (bo) occupy the horizontal axis, together designating the coin as currency of the Sangpyeong (Ever-Normal) treasury administration of the Joseon Dynasty. |
|---|---|
| Obverse script | Log in to see details |
| Obverse lettering | 常平通寶 |
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| Additional information |
Cast rather than struck, this piece was produced by one of several regional government agencies and military offices authorized to operate furnaces during the mid-Joseon period — a decentralized system that resulted in considerable variation in fabric and finish across otherwise identical types. The "Yong" and "Extend" counter-marks denote the issuing office and denomination authorization respectively, a bureaucratic layer added to manage the chronic coin shortages that plagued the Joseon economy through the eighteenth century.