| Added by |
 Maciej Pasztor
|
| Material | Gold |
| Face value | 20 groszy |
| Catalog code (Michel) | 890 |
| Catalog code (Scott) | 648 |
| Catalog code | Polish Stamps Catalog 748 |
| Series | 10th anniversary of the Polish People's Republic |
| Print run | 2,028,000 |
| Issue date | 30/12/1954 |
| Designer | Czesław Kaczmarczyk Grav: Jerzy Miller |
| Paper type | White; Thin Smooth |
| Print technique | Photogravure and Steel engraving |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 12½ x 12 (comb) |
| Height | 31.25 mm |
| Width | 51.00 mm |
| Catalog prices | No catalog prices set yet |
