20 Groszy Trial Strike
€103,456.00
| Issuer | Poland |
| Year | 1963 |
| Type | Pattern |
| Value | 20 Groszys (20 Groszy) (0.20 PLZ) |
| Currency | Third Zloty (1949-1994) |
| Composition | Nickel |
| Weight | 3.1 g |
| Dimensions | 20 mm |
| Thickness | |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | Obverse: Andrej Peter Reverse: Josef Koreň, Anton Hám |
| In circulation to | |
| Reference(s) | KM#Pr92, Fischer Po#P057b, ParM#P208b |