| Added by |
 Maciej Pasztor
|
| Face value | 20 groszy |
| Catalog code (Michel) | PL P95 |
| Catalog code (Scott) | PL J98 |
| Catalog code | Yvert et Tellier PL T100 Stanley Gibbons PL D353 AFA number PL P101 Polish Stamps Catalog (Fischer) PL D95 |
| Series | Ornamental values |
| Place in series | 4 |
| Stamp colour | Dark blue green |
| Stamp use | Postage Due stamp |
| Print run | 2,000,000 |
| Issue date | 25/11/1938 |
| Paper type | White; Thick, Smooth |
| Print technique | Typography |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 12½ x 12 (harrow) |
| Height | 18.50 mm |
| Width | 22.00 mm |
| Catalog prices | No catalog prices set yet |
