20 Zlotys 1980 Summer Olympics, Trial Strike
€1.00
| Issuer | Poland |
| Year | 1980 |
| Type | Coin pattern |
| Value | 20 Zlotys (20 Złotych) (20 PLZ) |
| Currency | Third Zloty (1949-1994) |
| Composition | Copper-nickel |
| Weight | 10.1 g |
| Dimensions | 29 mm |
| Thickness | |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | Obverse: Anna Jarnuszkiewicz Reverse: Ewa Olszewska-Borys |
| In circulation to | |
| Reference(s) | KM#Pr376, ParM#P314b, Fischer Po#P152b |