| Added by |
 Maciej Pasztor
|
| Face value | 90 groszy |
| Catalog code (Michel) | 1175 |
| Catalog code (Scott) | 923 |
| Catalog code | Polish Stamps Catalog 1031 |
| Series | 550th anniversary, Battle of Grunwald. |
| Place in series | 2 |
| Stamp colour | Olive gray |
| Watermark | III 1 |
| Stamp use | Commemorative stamp |
| Print run | 1,064,000 |
| Issue date | 15/07/1960 |
| Designer | Czesław Kaczmarczyk Grav: Stefan Łukaszewski |
| Paper type | White; middel, smooth |
| Print technique | Steel engraving |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 11 x 11¼ (harrow) |
| Height | 36.00 mm |
| Width | 23.40 mm |
| Catalog prices | No catalog prices set yet |
