Poland/ 20 Zlotych/ 1980
  |
| Material: | Weight: | Diameter: | Edge: | Alignment: |
| Copper - Nickel | 10,15 gr. | 29 mm. | Reeded | Medal (0º) |
| Mint mark: MW - (Warsaw Mint) |
|
| Material: | Weight: | Diameter: | Edge: | Alignment: |
| Copper - Nickel | 10,15 gr. | 29 mm. | Reeded | Medal (0º) |
| Mint mark: MW - (Warsaw Mint) |