| Added by |
 Maciej Pasztor
|
| General Description : | Like C7 Scott or Polish Stamps Catalog 222 |
| Material | Gold |
| Face value | 20 Groszy |
| Catalog code (Scott) | C10 (Air-Mail) |
| Catalog code | Polish Stamps Catalog 268 |
| Series | Challenge |
| Print run | 222,300 |
| Issue date | 28/08/1934 |
| Print technique | Typography (Overprint) |
| Catalog prices | No catalog prices set yet |
