Anti-Nazi mail envelope, on the left is a Hitler-shaped dog with a German army hat and the caption: HITLER'S MAD DOG HELP DESTROY HIM - on the left is a photograph showing inmates imprisoned in a concentration camp helping their friend who fell to the ground. The envelope is stamped by the United States Army during World War II. NAVY on July 4, 1942. American stamp.
16.5x9 cm. Very good condition.