International Ocean Exposition in Okinawa 100 yen Cupronickel Coin
| Material | Cupronickel |
|---|---|
| Composition | Copper 750 Nickel 250 |
| Weight | 4.8g |
| Diameter | 22.6mm |
| Year of Production | 1975 |
| Material | Cupronickel |
|---|---|
| Composition | Copper 750 Nickel 250 |
| Weight | 4.8g |
| Diameter | 22.6mm |
| Year of Production | 1975 |