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| 正面描述 | The obverse features an elaborate incuse design of 21 overlapping wave crests (namisen) rendered in the traditional Japanese seigaiha (青海波) wave pattern, arranged in horizontal registers across the entire field. Each wave is delineated by raised curved lines forming a scalloped, fan-like motif, creating a highly stylized representation of the sea. The design fills the coin face to the rim with no legend or inscription, the waves radiating outward in a symmetrical, concentric pattern characteristic of Edo-period domain coinage. The overall effect is deeply relief-carved into the copper flan, producing a bold tactile surface texture. |
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| 正面文字 | 登录 以查看详情 |
| 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 | Chinese |
| 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 |
Kubota Domain, the administrative seat of Akita han, issued these oversized copper pieces as emergency domain currency — hansatsu in metal rather than paper. The "Namisen" designation distinguishes them from the domain's earlier iron coinage, reflecting a deliberate shift in material policy during a period when the Tokugawa central government was losing its grip on monetary standardization across the han system. By the 1860s, dozens of domains were producing their own coinage with minimal Edo oversight.
DHJ#7.1 places this among the earlier die varieties of the 1862 emission. Kubota's issues were demonetized following the Meiji currency reforms of 1871.