| Added by |
 Maciej Pasztor
|
| Material | Gold |
| Face value | 90 groszy |
| Catalog code (Michel) | 693 |
| Catalog code (Scott) | 505 |
| Catalog code | Polish Stamps Catalog 553 |
| Series | "We are building Nowa Huta" |
| Print run | 8.179.000 |
| Issue date | 15/06/1951 |
| Designer | Bogusław Brandt Grav: Edward Konecki |
| Paper type | White; Middel |
| Print technique | Steel engraving |
| Perforation | 12¾ x 12½ (harrow) |
| Height | 21.30 mm |
| Width | 27.00 mm |
| Catalog prices | No catalog prices set yet |
