| Miejsce | United States (US territories United States) |
|---|---|
| Rok | 1977 |
| Typ | Collection medallion |
| Skład | Silver (.925) |
| Waga | 20.23 g |
| Średnica | 38.2 mm |
| Grubość | |
| Kształt | Round |
| Technika | Milled |
| Orientacja | Medal alignment ↑↑ |
| Krawędź | Plain with mintmarks and inscription. |
| Okres | |
| Uwagi | |
| Źródło(a) | Franklin#GEM-30 |
| Opis awersu | Bust in oval facing left, men in a boat. |
|---|---|
| Pismo awersu | Latin |
| Legenda awersu | JG |
| Opis rewersu | Inscribed compass. |
| Pismo rewersu | Latin |
| Legenda rewersu | RINZO MAAMIYA In 1808 he conducted the first Japanese overseas exploration and proved that Sakhalin was an island. FM |
| Nakład | |
| ID Numisquare | 6965953080 |
| Uwagi |