| Added by |
 Maciej Pasztor
|
| General Description : | Cave! No water! U can destroy this stamp. |
| Face value | 40 Groszy |
| Catalog code (Michel) | PL 244 |
| Catalog code (Scott) | PL 243 |
| Catalog code | Yvert et Tellier PL 331 Stanley Gibbons PL 261 AFA number PL 254 Polish Stamps Catalog (Fischer) PL 225e |
| Stamp colour | Dark blue |
| Stamp use | Commemorative stamp |
| Print run | 3,059,000 |
| Issue date | 26/02/1927 |
| Designer | Zygmunt Kamiński |
| Paper type | chalky paper |
| Print technique | Typography |
| Perforation | 11 3/4 : 11½ comb perforation (Polish catalog) |
| Catalog prices | No catalog prices set yet |
