| Added by |
 Maciej Pasztor
|
| Face value | 20 groszy |
| Catalog code (Michel) | 910 |
| Catalog code (Scott) | 671 |
| Catalog code | Polish Stamps Catalog 764 |
| Series | Monuments |
| Place in series | 4 |
| Stamp colour | dark blue, pink |
| Stamp use | Commemorative stamp |
| Print run | 120,120,000 |
| Issue date | 31/03/1955 |
| Designer | Edmund John; Grav: Jerzy Miller |
| Paper type | White; Thin Smooth or White; Middel Smooth |
| Print technique | Steel engraving |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 12¾ x 12½ or 11½ x 11¾ (harrow) |
| Height | 27.00 mm |
| Width | 21.00 mm |
| Catalog prices | No catalog prices set yet |
