| Added by |
 Maciej Pasztor
|
| Material | Gold |
| Face value | 30 Groszy |
| Catalog code (Michel) | PL 231 |
| Catalog code (Scott) | C8 (Air post Stamps) |
| Catalog code | Polish Stamps Catalog 223 |
| Series | Biplane |
| Print run | 620 000 |
| Issue date | 27/08/1925 |
| Designer | Leonard Sawinski |
| Paper type | White very thin |
| Print technique | Typography |
| Perforation | 12½ (Scott) harrow |
| Catalog prices | No catalog prices set yet |
