Japan/ 1 Sen/ 1939
  |
| Material: | Weight: | Diameter: | Edge: | Alignment: |
| Aluminum | 0,95 gr. | 17.5 mm. | Plain. | Medal (0º) |
| Without Mint mark - Japan Mint. Osaka. |
|
| Material: | Weight: | Diameter: | Edge: | Alignment: |
| Aluminum | 0,95 gr. | 17.5 mm. | Plain. | Medal (0º) |
| Without Mint mark - Japan Mint. Osaka. |