| 地点 | United States (US territories United States) |
|---|---|
| 年份 | 1977 |
| 类型 | Collection medallion |
| 材质 | Silver (.925) |
| 重量 | 20.23 g |
| 直径 | 38.2 mm |
| 厚度 | |
| 形状 | Round |
| 制作工艺 | Milled |
| 方向 | Medal alignment ↑↑ |
| 边缘 | Plain with mintmarks and inscription. |
| 时期 | |
| 说明 | |
| 参考资料 | Franklin#GEM-30 |
| 正面描述 | Bust in oval facing left, men in a boat. |
|---|---|
| 正面文字 | Latin |
| 正面铭文 | JG |
| 背面描述 | Inscribed compass. |
| 背面文字 | Latin |
| 背面铭文 | RINZO MAAMIYA In 1808 he conducted the first Japanese overseas exploration and proved that Sakhalin was an island. FM |
| 铸造量 | |
| Numisquare 编号 | 6965953080 |
| 备注 |