M31 Canteen – SSL43

Markings: SSL43 on the flask, cap, cover and cup.
Maker: 
SSL refers to the maker Sieper & Sohne, Lüdenscheid. 
Year: 1943
Strap:
 black leather, smooth side out
Flask: Aluminium, big 1 liter variant
Cup: Black painted aluminium
Cover:
 Felt with four painted press studs
Other notes: The canteen still remains its original D-loop that often came with the big canteens out of the factory.