| Added by |
 Maciej Pasztor
|
| Face value | 60 groszy |
| Catalog code (Michel) | 1529 |
| Catalog code (Scott) | 1268 |
| Catalog code | Polish Stamps Catalog 1381 |
| Series | First Socialist International, centenary. |
| Stamp colour | Multicolored |
| Stamp use | Commemorative stamp |
| Print run | 3,332,500 |
| Issue date | 28/09/1964 |
| Designer | Jerzy Desselberger |
| Paper type | White, middel, chalky |
| Print technique | Photogravure |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 12½ (comb) |
| Height | 38.00 mm |
| Width | 22.00 mm |
| Catalog prices | No catalog prices set yet |
