Auction 244 -Netherlands and former colonies, WW2 Postal History, Bosnia, German and British colonies, Egypt. - Day 3

Concentration Camp Sobibor, air mail letter Hilversum-New York 25.VIII.1941, German Frankfort censor, addressee unknown Not in directory/ Station W, with 3x retour, US censor label and stamp This article has been held/ by the office of censorship, after the war returned to the Netherlands, could not be delivered because sender and his family (fam. Guenebaum) did not survive Sobibor. Opened on the right
WW2 Postal History - The Kees Adema Collection