| Added by |
 Maciej Pasztor
|
| Material | Gold |
| Face value | 40 groszy |
| Catalog code (Michel) | 690 |
| Catalog code (Scott) | 502 |
| Catalog code | Polish Stamps Catalog 550 |
| Series | "We are building Nowa Huta" |
| Print run | 76,190,000 |
| Issue date | 09/05/1951 |
| Designer | Bogusław Brandti Grav: Edward Konecki |
| Paper type | White; Middel |
| Print technique | Steel engraving |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 12¾ x 12½ or 11½ x 11¾ (harrow) |
| Height | 21.10 mm |
| Width | 26.90 mm |
| Catalog prices | No catalog prices set yet |
