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| 正面描述 | Depiction of the interior of the Seikan Tunnel in high relief, showing the tunnel bore converging to a vanishing point along the railway tracks, with a locomotive visible at the right side of the field. |
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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 | Central relief map depicting the Honshu and Hokkaido coastlines with the Seikan Tunnel route indicated by a line beneath the Tsugaru Strait. A legend in Japanese script arcs along the upper rim, with floral decorative elements flanking the map. Below the map, inscriptions state the composition and quality, with the opening date along the lower rim. |
| 背面文字 | Japanese |
| 背面铭文 | 登录 以查看详情 |
| 铸造机构 | 登录 以查看详情 |
| 铸造量 | 登录 以查看详情 |
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