Poland/ 20 Groszy/ 1923
  |
| Material: | Weight: | Diameter: | Edge: | Alignment: |
| Nickel | 3 gr. | 20 mm. | Plain | Medal (0º) |
| Without Mint mark (Warsaw Mint) | Mintmaster: W J - W.Jastrzebowski. |
|
| Material: | Weight: | Diameter: | Edge: | Alignment: |
| Nickel | 3 gr. | 20 mm. | Plain | Medal (0º) |
| Without Mint mark (Warsaw Mint) | Mintmaster: W J - W.Jastrzebowski. |