| 発行地 | United States (US territories United States) |
|---|---|
| 年号 | 1977 |
| 種類 | Collection medallion |
| 材質 | Silver (.925) |
| 重量 | 20.23 g |
| 直径 | 38.2 mm |
| 厚さ | |
| 形状 | Round |
| 製造技法 | Milled |
| 向き | Medal alignment ↑↑ |
| 縁 | Plain with mintmarks and inscription. |
| 時代 | |
| 備考 | |
| 参考文献 | Franklin#GEM-30 |
| 表面の説明 | Bust in oval facing left, men in a boat. |
|---|---|
| 表面の文字体系 | Latin |
| 表面の銘文 | JG |
| 裏面の説明 | Inscribed compass. |
| 裏面の文字体系 | Latin |
| 裏面の銘文 | RINZO MAAMIYA In 1808 he conducted the first Japanese overseas exploration and proved that Sakhalin was an island. FM |
| 製造数 | |
| Numisquare ID | 6965953080 |
| コメント |