| Added by |
 Maciej Pasztor
|
| Face value | 20 groszy |
| Catalog code (Michel) | PL 1277 |
| Catalog code (Scott) | PL 1029 |
| Catalog code | Yvert et Tellier PL 1140 Stanley Gibbons PL 1269 AFA number PL 1166 Polish Stamps Catalog (Fischer) PL 1132 |
| Series | Insects |
| Place in series | 1 |
| Stamp colour | Multicolored |
| Stamp use | Commemorative stamp |
| Print run | 3,124,000 |
| Issue date | 30/12/1961 |
| Designer | Jerzy Desselberger |
| Paper type | White; Thick, Chalky |
| Print technique | Photogravure |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 11¾ x 12 (comb) |
| Height | 38.70 mm |
| Width | 27.00 mm |
| Catalog prices | No catalog prices set yet |
