| Added by |
 Maciej Pasztor
|
| General Description : | Henryk IV Probus (Latin for the Righteous) (c. 1258 – 23 June 1290) was a member of the Silesian branch of the royal Polish Piast dynasty. He was Duke of Silesia at Wrocław from 1266, and from also 1288 High Duke of the Polish Seniorate Province of Kraków until his death in 1290. |
| Face value | 6 złotych |
| Catalog code (Michel) | PL 442 |
| Catalog code (Scott) | PL 394 |
| Catalog code | Yvert et Tellier PL 472 Stanley Gibbons PL 569 AFA number PL 438 Polish Stamps Catalog (Fischer) PL 409 |
| Series | Historic monuments |
| Stamp colour | grey black |
| Stamp use | Definitive stamp |
| Print run | 3,097,000 |
| Issue date | 01/09/1946 |
| Designer | Stanisław Dawski |
| Paper type | Greyish, thin rough, with treepulp |
| Print technique | Rotogravure |
| Printed by | Drukarnia Narodowa w Krakowie |
| Perforation | 10 3/3 line or (seldom) 11 |
| Height | 36.50 mm |
| Width | 24.50 mm |
| Catalog prices | No catalog prices set yet |
