Wehrmacht M31 Canteen and Cup (Feldflasche 31 und Trinkbecher). The standard issue M31 canteen was introduced on 23 March 1931. The canteen and leather straps are all in very good condition with minor age and usage toning. The felt cover is in good condition. Both the green painted steel canteen and cup are nicely maker marked and dated with 'FWBN42' and 'FWBN43' indicating production in 1942/1943. Nice original canteen in very good condition!