Czech Slovak Federal Republic/ 1 Koruna/ 1991
  |
| Material: | Weight: | Diameter: | Edge: | Alignment: |
| 91% Copper; 8% Aluminum; 1% Manganese | 4,0 gr. | 23.0 mm. | Reeded | Medal (0º) |
|
| Material: | Weight: | Diameter: | Edge: | Alignment: |
| 91% Copper; 8% Aluminum; 1% Manganese | 4,0 gr. | 23.0 mm. | Reeded | Medal (0º) |