| Added by |
 Maciej Pasztor
|
| Face value | 60 groszy |
| Catalog code (Michel) | 1500 |
| Catalog code (Scott) | 1241 |
| Catalog code | Polish Stamps Catalog 1352 |
| Series | 4th congress of the Polish United Workers Party in Warsaw |
| Place in series | 2 |
| Stamp colour | Multicolored |
| Stamp use | Commemorative stamp |
| Print run | 3,012,000 |
| Issue date | 15/06/1964 |
| Designer | Ryszard Dudzicki |
| Paper type | White, middel, chalky |
| Print technique | Offset |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 11 ( comb) |
| Height | 22.50 mm |
| Width | 50.20 mm |
| Catalog prices | No catalog prices set yet |
