| Added by |
 Maciej Pasztor
|
| Face value | 15 złotych |
| Catalog code (Michel) | PL 544 |
| Catalog code (Scott) | PL 467 |
| Catalog code | Yvert et Tellier PL 565 Stanley Gibbons PL 663 AFA number PL 541 Polish Stamps Catalog (Fischer) PL 509 |
| Series | 3rd Congress of PTT Trade Unions |
| Stamp colour | pink lilac |
| Stamp use | Commemorative stamp |
| Print run | 270,000 |
| Issue date | 21/01/1950 |
| Designer | Ryszard Kleczkowski Grav: Bogusław Brandt |
| Paper type | White; Thin |
| Print technique | Recess |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 12½ x12¾ harrow |
| Height | 26.60 mm |
| Width | 21.30 mm |
| Catalog prices | No catalog prices set yet |
