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| 正面描述 | 登录 以查看详情 |
|---|---|
| 正面文字 | Chinese (traditional, regular script) |
| 正面铭文 | 年 三 治 明 · 本 日 大 · 一 分 四 · (Translation: Great Japan · Year 3 of Meiji · One Fourth ·) |
| 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 |
This pattern was produced at the Osaka Mint in 1870 during the foundational reorganization of Japan's currency system under the New Currency Act of that same year — the legislation that formally abolished the chaotic feudal coinage and established a decimal yen-based system. The copper quarter-yen denomination was ultimately never adopted for circulation; the fractional coinage that entered production settled on different denominational divisions.
The Osaka Mint had only opened in April 1871, making 1870-dated copper patterns among the earliest experimental strikes from that facility, produced while British engineers from the Hong Kong Mint were still overseeing installation of the machinery.