| Added by |
 Maciej Pasztor
|
| Face value | 1 złoty |
| Catalog code (Michel) | PL 742 |
| Catalog code (Scott) | PL 542 |
| Catalog code | Yvert et Tellier PL 649 Stanley Gibbons PL 752 AFA number PL 633 Polish Stamps Catalog (Fischer) PL 604 |
| Series | The 140th anniversary of the birth of Father Hugo Kołłątaj |
| Stamp colour | olive green |
| Stamp use | Commemorative stamp |
| Print run | 1.071.000 |
| Issue date | 20/05/1952 |
| Designer | Edward Konecki |
| Paper type | White; Thin Smooth |
| Print technique | Steel engraving |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 12½ x 12¾ (harrow) |
| Height | 26.80 mm |
| Width | 21.50 mm |
| Catalog prices | No catalog prices set yet |
