| Added by |
 Maciej Pasztor
|
| Face value | 25 polish mark |
| Catalog code (Michel) | I |
| Catalog code | Polish Stamps Catalog L1 |
| Series | "T.AB.R.O.M.I.K" |
| Stamp use | Air Post Semi-Postal stamp |
| Print run | 50,000 |
| Issue date | 29/05/1921 |
| Print technique | Typography |
| Perforation | 11½ (line) |
| Catalog prices | No catalog prices set yet |
