German M31 Canteen

German para-military or Political SA/NSDAP type M31 Canteen (Feldflasche 31). The aluminum M31 canteen is marked 'SSL236' indicating production in 1936. It comes with its original leather straps of which the cap is marked 'W.A.L.9.39' indicating production in 1939. Nice original canteen in good used condition!