German WW2 Army M40 helmet with liner And Chinstrap Missing Decal. The item “German WW2 Army M40 helmet with liner And Chinstrap Missing Decal” is in sale since Saturday, March 27, 2021. This item is in the category “Collectibles\Militaria\WW II (1939-45)\Original Period Items\Germany\Hats & Helmets”. The seller is “matkoe7434″ and is located in Alburtis, Pennsylvania. This item can be shipped worldwide.