Textbook 1L Labeflasche marked DMN 43

Textbook M31 (Alum.) large capacity canteen or 1L Labeflasche in very good condition. The canteen is nicely marked DMN 43 which indicates production by Deutsche Metallwerke AG, Neustadt in 1943. The canteen comes in the textbook configuration with its original bakelite drinking cup. Note that the small metal ring which attaches the strap to the screw cap is missing. Textbook 1L Labeflasche!