| Added by |
Maciej Pasztor
|
| Face value | 4+2 złote |
| Catalog code (Michel) | 1004 + Blokform |
| Catalog code (Scott) | CB1 (AIR POST SEMI-POSTAL STAMP) |
| Catalog code | Polish Stamps Catalog 859c image 2 -859A |
| 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 |