Souvenir sheet "Semendria" with special cancel BEOGRAD 1 / 1 from 25. 9. 41 in black colour on the perforated souvenir sheet as well with First Day special cancellation BEOGRAD 1 / 1 from 22. 9. 41 in black colour on the cut souvenir sheet, certificate Krischke "used are these souvenir sheets rare. ", Michel 1800,-