The leather liner is still souple and correct for an early M35. Stampings on the helmet ET64 and production# 347x (last number not visible due to paint) One of the airvents is missing. Note: Chinstrap and linercord are good reproductings/aftermarket products. Overall a very nice and rare M35 Double Decal German Heer stahlhelm, with a very strong display appearance.That has seen his share of war.. The item "M35 German helmet DD Stahlhelm ET64 original WW2" is in sale since Sunday, April 01, 2018. This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\Germany\Hats & Helmets". The seller is "nwback" and is located in Apeldoorn. This item can be shipped worldwide.