| Ruler | - |
| Mint | - |
| Date | 1972 |
| Denomination | 20 Zlotych |
| Size (mm) | - |
| Weight (g) | - |
| Die Axis | - |
| Tariff | - |
| Ob. Leg. | ZAMEK W MALBORKU |
| Ob. Desc. | Castle view with Porcilin insert (imitating a stained glass window) |
| Meaning | - |
| Rev. Leg. | RZECZPOSPOLITA POLSKA | Rev. Desc. | Castle view with heraldic eagle in foreground | Meaning | References; | Collection; Krause | Notes: |