| Added by |
 Maciej Pasztor
|
| Face value | 90 groszy |
| Catalog code (Michel) | 1359 |
| Catalog code (Scott) | 1100 |
| Catalog code | Polish Stamps Catalog 1211 |
| Series | 20th anniversary of the death of Janusz Korczak |
| Place in series | 3 |
| Stamp colour | Multicolored |
| Stamp use | Commemorative stamp |
| Print run | 1,741,500 |
| Issue date | 12/11/1962 |
| Designer | Jerzy Srokowski |
| Paper type | White; middel, smooth |
| Print technique | Offset |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 12½ x 12 (comb) |
| Height | 38.00 mm |
| Width | 27.00 mm |
| Catalog prices | No catalog prices set yet |
