| Added by |
 Maciej Pasztor
|
| Face value | 20 Groszy |
| Catalog code (Michel) | PL 334 |
| Catalog code (Scott) | PL 323 |
| Catalog code | Yvert et Tellier PL 404 Stanley Gibbons PL 339 AFA number PL 343 Polish Stamps Catalog (Fischer) PL 313 |
| Series | 20th anniv. of Poland’s independence. |
| Stamp colour | light blue green |
| Stamp use | Commemorative stamp |
| Print run | 7,000,000 |
| Issue date | 11/11/1938 |
| Designer | Wacław Boratyński; Grav: Marian Romuald Polak |
| Paper type | White |
| Print technique | Engraving |
| Printed by | PWPW (Polska Wytwórnia Papierow Wartosciowych) |
| Perforation | 12½ x 12 3/4 harrow (Polish catalog) |
| Height | 27.50 mm |
| Width | 22.50 mm |
| Catalog prices | No catalog prices set yet |
