| Added by |
 Maciej Pasztor
|
| Face value | 20 groszy |
| Catalog code (Michel) | PL 805A |
| Catalog code (Scott) | PL 578 |
| Catalog code | Yvert et Tellier PL 709 Stanley Gibbons PL 812 AFA number PL 696 Polish Stamps Catalog (Fischer) PL 667 |
| Series | The 480th anniversary of the birth of Mikołaj Kopernik in 1473 |
| Stamp colour | dark brown |
| Stamp use | Commemorative stamp |
| Print run | 61,240,340 |
| Issue date | 22/05/1953 |
| Designer | Jan Matejko Grav: Bogusław Brandt |
| Paper type | White; Thin Smooth |
| Print technique | Steel engraving |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 12 x 12½ (harrow) or 11¼ x 11¾ (harrow) |
| Height | 22.20 mm |
| Width | 38.30 mm |
| Catalog prices | No catalog prices set yet |
