| Místo | United States (US territories United States) |
|---|---|
| Rok | 1977 |
| Typ | Collection medallion |
| Složení | Silver (.925) |
| Hmotnost | 20.23 g |
| Průměr | 38.2 mm |
| Tloušťka | |
| Tvar | Round |
| Technika | Milled |
| Orientace | Medal alignment ↑↑ |
| Hrana | Plain with mintmarks and inscription. |
| Období | |
| Poznámka | |
| Reference | Franklin#GEM-30 |
| Popis líce | Bust in oval facing left, men in a boat. |
|---|---|
| Písmo líce | Latin |
| Opis líce | JG |
| Popis rubu | Inscribed compass. |
| Písmo rubu | Latin |
| Opis rubu | RINZO MAAMIYA In 1808 he conducted the first Japanese overseas exploration and proved that Sakhalin was an island. FM |
| Náklad | |
| ID Numisquare | 6965953080 |
| Poznámky |