| Added by |
 Maciej Pasztor
|
| Material | Gold |
| Face value | 30 groszy |
| Catalog code (Michel) | 688 |
| Catalog code (Scott) | 506 |
| Catalog code | Polish Stamps Catalog 554 |
| Series | The international day of the child, 1 June 1951 |
| Print run | 2,051,000 |
| Issue date | 01/06/1951 |
| Designer | Stefan Łukaszewski |
| Paper type | White; Thin Smooth |
| Print technique | Photogravure |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 12½ x 12¾ (comb) |
| Height | 26.40 mm |
| Width | 20.60 mm |
| Catalog prices | No catalog prices set yet |
