| Added by |
 Maciej Pasztor
|
| Face value | 20 fenig |
| Catalog code (Michel) | 3 (Germany - Östlisches Oberschlesien Reguläre ausgabe) |
| Catalog code (Scott) | 172 |
| Catalog code | Polish Stamps Catalog 146 |
| Series | Union of Upper Silesia with Poland. |
| Place in series | 3 |
| Stamp colour | Pale red |
| Stamp use | Commemorative stamp |
| Print run | 2,040,000 |
| Issue date | 19/06/1922 |
| Paper type | White; middel, smooth |
| Print technique | Typography |
| Printed by | PZG Warszawa |
| Perforation | 9 to 14 1/2 and Compound |
| Catalog prices | No catalog prices set yet |
