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| 正面描述 | Cast bronze cash coin featuring four Chinese characters arranged in cruciform reading order around a central square hole. Reading top-to-bottom and right-to-left, the legend reads 常平通寶 (Sangpyeong Tongbo), identifying the issuing authority as the Sangpyeong Ch'ong (Board of Revenue) of the Joseon Dynasty. The characters are rendered in regular script (kaishu) within a plain, unornamented field, with no additional decorative elements. The square hole is centrally placed and neatly cast, as typical of East Asian cash coinage of the period. |
|---|---|
| 正面文字 | Chinese (traditional, regular script) |
| 正面铭文 | 登录 以查看详情 |
| 背面描述 | 登录 以查看详情 |
| 背面文字 | 登录 以查看详情 |
| 背面铭文 | 登录 以查看详情 |
| 边缘 | 登录 以查看详情 |
| 铸币厂 | 登录 以查看详情 |
| 铸造量 | 登录 以查看详情 |
| 附加信息 |
The "Small Type" designation distinguishes this issue from the larger 5 mun pieces introduced as Joseon made fitful attempts to stabilize a coinage system under mounting fiscal pressure from Japanese commercial penetration and internal reform demands. By 1887, the Joseon mint at Chŏnhwan'guk — established only two years earlier with Japanese technical assistance — was still calibrating production, which accounts for the dimensional variation collectors now use to differentiate die families within the series.