| Added by |
 Maciej Pasztor
|
| Face value | 12 groszy |
| Catalog code (Michel) | Germany GG Dienstmarken 28 |
| Catalog code (Scott) | Poland Occup. official stamps NO28 |
| Catalog code | Polish Stamps Catalog GG OU 28 |
| Series | Nazi Emblem and Cracow Castle |
| Place in series | 4 |
| Stamp colour | Dark violet |
| Stamp use | Official stamp |
| Designer | W. Kreb |
| Paper type | White, middel |
| Print technique | Photogravure and: typography |
| Printed by | State Printing in Vienna |
| Perforation | 14 (harrow) |
| Height | 20.00 mm |
| Width | 24.50 mm |
| Catalog prices | No catalog prices set yet |
