| Added by |
 Maciej Pasztor
|
| Material | Gold |
| Face value | 30 złotych 1948 |
| Catalog code (Michel) | 481 |
| Catalog code (Scott) | C23 (Air-Mail) |
| Catalog code | Polish Stamps Catalog 446 |
| Series | Centaur |
| Print run | 9,165,000 |
| Issue date | 15/04/1948 |
| Designer | Stefan Żechowski |
| Paper type | white middel |
| Print technique | Rotogravure |
| Printed by | Drukarnia Narodowa w Krakowie |
| Perforation | 10¾,11 or 11¼ |
| Height | 20.70 mm |
| Width | 28.00 mm |
| Catalog prices | No catalog prices set yet |
