| Added by |
Maciej Pasztor
|
| Material | Gold |
| Face value | 90 groszy |
| Catalog code (Michel) | 772 |
| Catalog code (Scott) | 557 |
| Catalog code | Polish Stamps Catalog 634 |
| Series | The day of Polish aviation |
| Print run | 1,022,000 |
| Issue date | 23/08/1952 |
| Designer | Stefan Łukaszewski |
| Paper type | White; Thin Smooth |
| Print technique | Steel engraving |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 12¾ x 12½ (harrow) |
| Height | 21.50 mm |
| Width | 27.50 mm |
| Catalog prices | No catalog prices set yet |