| Added by |
 Maciej Pasztor
|
| Material | Gold |
| Face value | 45 groszy |
| Catalog code (Michel) | 687 |
| Catalog code (Scott) | 601 |
| Catalog code | Polish Stamps Catalog 549 |
| Series | Labour Day (01.05) |
| Print run | 5,190,000 |
| Issue date | 25/04/1951 |
| Designer | Stefan Łukaszewski |
| Paper type | White; Thin Smooth |
| Print technique | Photogravure |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 12½ x 12¾ (comb) or 10¾ x 13¾; 12¾ x 10¾; 12¾ x 13¾; 10¾ x 13¾ (line) |
| Height | 25.80 mm |
| Width | 19.80 mm |
| Catalog prices | No catalog prices set yet |
