| Added by |
 Maciej Pasztor
|
| General Description : | like Michel 728A |
| Material | Gold |
| Face value | 55 groszy |
| Catalog code (Michel) | 728B |
| Catalog code (Scott) | C28 (Air mail) - imperf. |
| Catalog code | Polish Stamps Catalog 590A |
| Series | An Ilyushin II-12 „Coach” flying over several landscapes |
| Print run | 1,051,000 |
| Perforation | imper. |
| Catalog prices | No catalog prices set yet |
