| Added by |
 Maciej Pasztor
|
| Face value | 30 złotych |
| Catalog code (Michel) | PL 534 |
| Catalog code (Scott) | PL 458 |
| Catalog code | Yvert et Tellier PL 555 Stanley Gibbons PL 653 AFA number PL 531 Polish Stamps Catalog (Fischer) PL 499 |
| Series | The 75th anniversary of the Universal Postal Union |
| Stamp colour | grey blue |
| Stamp use | Commemorative stamp |
| Print run | 500,000 |
| Issue date | 10/10/1949 |
| Designer | Stefan Łukaszewski |
| Paper type | White, Thin |
| Print technique | Recess |
| Printed by | PWPW SA (Polska Wytwórnia Papierow Wartosciowych SA) |
| Perforation | 12¾ x 12½ (harrow) |
| Height | 20.50 mm |
| Width | 26.30 mm |
| Catalog prices | No catalog prices set yet |
