| Location | Japan |
| Year | 1975 |
| Type | Commemorative medals/Exhibition, fair and festival medals |
| Composition | |
| Weight | 16.87 g |
| Diameter | 32 mm |
| Thickness | |
| Shape | Round |
| Technique | |
| Orientation | Medal alignment ↑↑ |
| Edge | Plain |
| Period | |
| Reference(s) |
| Obverse description | Mermaid with a flute. |
| Obverse lettering | |
| Obverse script | |
| Reverse description | Symbol Mark. |
| Reverse lettering | ??????? EXPO`75 ??? 3K-M-1 International Ocean Exposition, Okinawa, Japan, 1975 (Translation: Okinawa Ocean Exposition EXPO`75 Exposition 3K-M-1 International Ocean Exposition, Okinawa, Japan, 1975) |
| Reverse script | Chinese (traditional, regular script), Latin |
| Mint | |
| Mintage | 1975 - - |
| Catalog ID | 9493823790 |
| Comments |
