This helmet is on really nice condition. There is a stamping inside the helmet that I cannot read, but it shows up nice in the picture. Hope that helps someone to date or further identify this helmet. The item "WW2 German Luftwaffe Wehrmacht M40 Helmet" is in sale since Tuesday, December 20, 2016. This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\Germany\Hats & Helmets". The seller is "georgeaaronow" and is located in Phoenixville, Pennsylvania. This item can be shipped to United States.