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| 正面描述 | 登录 以查看详情 |
|---|---|
| 正面文字 | Chinese (Kanji) |
| 正面铭文 | 登录 以查看详情 |
| 背面描述 | The reverse presents the kanji character 保 (Hō), signifying the Tenpō era (1830–1844), struck in bold relief at the center of the flan within an incuse rectangular cartouche with rounded corners. The character is rendered in a deliberately stylized, compressed script consistent with the engraving conventions of Tokugawa-period bean silver coinage. The surrounding field is plain and slightly convex, reflecting the hand-hammered production method. The irregular, lumpy edge of the flan is characteristic of mameitagin produced at the Osaka and Edo silver mints during this period. |
| 背面文字 | 登录 以查看详情 |
| 背面铭文 | 登录 以查看详情 |
| 边缘 | Plain (irregular, hammered) |
| 铸币厂 | 登录 以查看详情 |
| 铸造量 | 登录 以查看详情 |
| 附加信息 | 登录 以查看详情 |