| Added by |
 Maciej Pasztor
|
| Face value | 4+2 złote |
| Catalog code (Michel) | PL 1004Zf + PL 1004KB |
| Catalog code (Scott) | PL CB1 |
| Catalog code | Polish Stamps Catalog (Fischer) PL 859pl1 + PL 859Ark |
| Stamp colour | Blue |
| Stamp use | Air Post Semi-Postal stamp |
| Print run | 460,800 (stamps); 38,400 (sheets) |
| Issue date | 28/03/1957 |
| Designer | Seweryn Jasiński |
| Paper type | White; Middel Smooth |
| Print technique | Photogravure |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 11½ x 11¾ (harrow) |
| Height | 20.70 mm |
| Width | 27.00 mm |
| Catalog prices | No catalog prices set yet |
