| Added by |
 Maciej Pasztor
|
| Face value | 55 groszy |
| Catalog code (Michel) | 728A |
| Catalog code (Scott) | C28 (Air mail) |
| Catalog code | Polish Stamps Catalog 590B |
| Series | An Ilyushin II-12 „Coach” flying over several landscapes |
| Print run | 5,301,090 |
| Issue date | 10/04/1952 |
| Designer | Czesław Słania Grav:Bogusław Brandt |
| Paper type | White; Middel Smooth |
| Print technique | Steel engraving |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 12 x 12½ (harrow) |
| Height | 21.40 mm |
| Width | 38.70 mm |
| Catalog prices | No catalog prices set yet |
