This is a post-World War II postal history cover mailed from Ried im Innkreis, Austria, to Detroit, Michigan, featuring civil censorship markings and an airmail label.
Date & Origin: Postmarked with circular datestamps from Ried im Innkreis dated Jul 29, 1946.
Scott Numbers: Sc 442, 445 (Mixed franking: one 40g blue and two 3s green landscape issues).
Special Markings: A prominent purple circular handstamp reading "CENSORSHIP 3500" indicates post-war civil mail inspection. Also features a blue "MIT LUFTPOST / PAR AVION" airmail label.
Addressee & Return: Hand-addressed to Peter Maurer in Detroit, Mich., U.S.A., with a handwritten return address for Jakob Noll in Ried im Innkreis, Upper Austria.
Following World War II, Austria was divided into four Allied occupation zones. Ried im Innkreis was located in Upper Austria, which fell within the United States occupation zone. All outgoing international mail during this period was subject to strict civil censorship to monitor communications and prevent the smuggling of currency or sensitive information. The purple circular censorship stamp applied here is a direct artifact of the U.S. zone's mail inspection process.
This cover is a clean, legitimate piece for collectors of Austrian postal history, post-WWII censorship, and Allied occupation ephemera.