"The envelope is addressed to Frau Netti Löffel, Wien XX, Dnisgasse 46/37 from Marcus Rubin Löffel, Block 16, Section 1, of the Dachau concentration camp. The envelope is cancelled February 3, 1939. Marcus Löffel is listed as being born on January 24, 1900."@en . . "United States Holocaust Memorial Museum"@en . "folder\n\n1"@en . . . "1939 February 03" . "Envelope"@en . . . . . "irn516041" .