Factory ID 1941 of the Askania Werke AG in Berlin. Issued to Benno König born 1915 in Sydowsane near Greifenhagen. They produced fine mecanical products for Heinkel, Flak optics, U-Boot periscopes, V1, V2. This ID was used till at least 1945 (stamped at the back for Berlin Allied/Russian zone). Including the cover page of his "Freiwillige Arnbeitsdienst" labor pass.