| Added by |
 Maciej Pasztor
|
| Face value | 50 złotych |
| Catalog code (Michel) | 477 b |
| Catalog code (Scott) | C20 a (Air-Mail) (see 344a) |
| Catalog code | Polish Stamps Catalog 442 c |
| Series | Air-Mail 1947 |
| Print run | 382,300 |
| Designer | Jan Michał Grubecki overprint: Józef Wilczyk |
| Paper type | white middel |
| Print technique | Typography |
| Printed by | Drukarnia Narodowa w Krakowie. |
| Perforation | 12¼ line |
| Height | 33.00 mm |
| Width | 22.20 mm |
| Catalog prices | No catalog prices set yet |
