| Added by |
 Maciej Pasztor
|
| Face value | 20 groszy |
| Catalog code (Michel) | PL 1198 |
| Catalog code (Scott) | PL 936 |
| Catalog code | Yvert et Tellier PL 1071 Stanley Gibbons PL 1202 AFA number PL 1088 Polish Stamps Catalog (Fischer) PL 1063 |
| Series | Protected birds of Poland |
| Place in series | 2 |
| Stamp colour | Multicolored |
| Stamp use | Commemorative stamp |
| Print run | 3,266,000 |
| Issue date | 30/11/1960 |
| Designer | Jerzy Desselberger |
| Paper type | White; Thick, Chalky |
| Print technique | Photogravure |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 11¼ (comb) |
| Height | 36.00 mm |
| Width | 36.00 mm |
| Catalog prices | No catalog prices set yet |
