20 groszy 2007
| Value | 20 groszy |
| KM# | 280 |
| Year | 1990-2013 |
| Material | Copper-Nickel |
| Weight, g. | 3.22 |
| Diameter, mm | 18.5 |
| Orientation | medallic alignment ↑↑ |
| Value | 20 groszy |
| KM# | 280 |
| Year | 1990-2013 |
| Material | Copper-Nickel |
| Weight, g. | 3.22 |
| Diameter, mm | 18.5 |
| Orientation | medallic alignment ↑↑ |