| Added by |
 Maciej Pasztor
|
| Face value | 40 groszy |
| Catalog code (Michel) | 1230 |
| Catalog code (Scott) | 977 |
| Catalog code | Polish Stamps Catalog 1086 |
| Series | 30th International Poznań Trade Fair 1961 Poznań |
| Place in series | 1 |
| Stamp colour | Bright blue, black and red |
| Watermark | III 8 or III 6 |
| Stamp use | Commemorative stamp |
| Print run | 975,000 |
| Issue date | 25/05/1961 |
| Designer | Zbigniew Kaja |
| Paper type | White; middel, smooth |
| Print technique | Offset |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 12½ (comb) |
| Height | 21.00 mm |
| Width | 40.70 mm |
| Catalog prices | No catalog prices set yet |
