| Ubicación | United States (US territories United States) |
|---|---|
| Año | 1977 |
| Tipo | Collection medallion |
| Composición | Silver (.925) |
| Peso | 20.23 g |
| Diámetro | 38.2 mm |
| Grosor | |
| Forma | Round |
| Técnica | Milled |
| Orientación | Medal alignment ↑↑ |
| Canto | Plain with mintmarks and inscription. |
| Período | |
| Observación | |
| Referencia(s) | Franklin#GEM-30 |
| Descripción del anverso | Bust in oval facing left, men in a boat. |
|---|---|
| Escritura del anverso | Latin |
| Leyenda del anverso | JG |
| Descripción del reverso | Inscribed compass. |
| Escritura del reverso | Latin |
| Leyenda del reverso | RINZO MAAMIYA In 1808 he conducted the first Japanese overseas exploration and proved that Sakhalin was an island. FM |
| Tirada | |
| ID de Numisquare | 6965953080 |
| Comentarios |