Japan/ 10 Yen/ 1990
  |
| Material: | Weight: | Diameter: | Edge: | Alignment: |
| 95% Copper, 3%-4% Zinc, 1%-2% Tin | 4.5 gr. | 23,5 mm. | Plain. | Medal (0º) |
| Without Mint mark - Japan Mint. Osaka. |
|
| Material: | Weight: | Diameter: | Edge: | Alignment: |
| 95% Copper, 3%-4% Zinc, 1%-2% Tin | 4.5 gr. | 23,5 mm. | Plain. | Medal (0º) |
| Without Mint mark - Japan Mint. Osaka. |