| Location | Japan |
| Year | |
| Type | Souvenir medallions |
| Composition | Brass |
| Weight | 15 g |
| Diameter | 31 mm |
| Thickness | 2.1 mm |
| Shape | Round |
| Technique | Coloured, Milled |
| Orientation | Medal alignment ↑↑ |
| Edge | Plain. |
| Period | |
| Notice | |
| Reference(s) |
| Obverse description | Pacific White-Sided Dolphin facing left, with lettering below it in water. |
| Obverse lettering | PACIFIC WHITE-SIDED DOLPHIN |
| Obverse script | Latin |
| Reverse description | Logo & Text |
| Reverse lettering | OSAKA KAIYUKAN 大阪 · 海遊館 (Translation: Osaka · Kaiyukan) |
| Reverse script | Hiragana, Latin |
| Engraver | |
| Mintage | ND - Original, without inscriptions on outer section of the reverse - ND - With inscriptions added to the outer section of the reverse - |
| Catalog ID | 2677407340 |
| Comments |
