| Locatie | United States (US territories United States) |
|---|---|
| Jaar | 1977 |
| Type | Collection medallion |
| Samenstelling | Silver (.925) |
| Gewicht | 20.23 g |
| Diameter | 38.2 mm |
| Dikte | |
| Vorm | Round |
| Techniek | Milled |
| Oriëntatie | Medal alignment ↑↑ |
| Rand | Plain with mintmarks and inscription. |
| Periode | |
| Opmerking | |
| Referentie(s) | Franklin#GEM-30 |
| Beschrijving voorzijde | Bust in oval facing left, men in a boat. |
|---|---|
| Schrift voorzijde | Latin |
| Opschrift voorzijde | JG |
| Beschrijving keerzijde | Inscribed compass. |
| Schrift keerzijde | Latin |
| Opschrift keerzijde | RINZO MAAMIYA In 1808 he conducted the first Japanese overseas exploration and proved that Sakhalin was an island. FM |
| Oplage | |
| Numisquare-ID | 6965953080 |
| Opmerkingen |