| Added by |
 Maciej Pasztor
|
| Material | Gold |
| Face value | 15 Złotych |
| Catalog code (Michel) | 506 |
| Catalog code (Scott) | 446 |
| Catalog code | Polish Stamps Catalog 480 |
| Series | Congress of the Union of the Working Class in Warsaw |
| Print run | 4,459,600 |
| Issue date | 08/12/1948 |
| Designer | Tadeusz Gronowski & Józef Wilczyk |
| Paper type | white middel |
| Print technique | Rotogravure |
| Printed by | Drukarnia Narodowa w Krakowie |
| Perforation | 10¾,11 or 11¼ (line) |
| Height | 24.80 mm |
| Width | 32.20 mm |
| Catalog prices | No catalog prices set yet |
