| Value | 20 Zlotch |
| Material | Copper nickel |
| Weight | 10.8 gr |
| Diameter | 29 mm |
| Thickness | 2.05 mm |
| Shape | Round |
| Subject | State emblem - 50th Anniversary - Training ship Dar Pomorza |
Y112 · Poland · 1980

| Value | 20 Zlotch |
| Material | Copper nickel |
| Weight | 10.8 gr |
| Diameter | 29 mm |
| Thickness | 2.05 mm |
| Shape | Round |
| Subject | State emblem - 50th Anniversary - Training ship Dar Pomorza |
Coin