WW2 German Helmet Q64 4721 Military History. Please look at pictures closely. This piece of History shows its age as the photos show. Liner has deteriorated quite a bit. Markings on inside read q64 and 4721. The item “WW2 German Helmet Q64 4721 Military History” is in sale since Friday, August 13, 2021. This item is in the category “Collectibles\Militaria\WW II (1939-45)\Original Period Items\Germany\Hats & Helmets”. The seller is “l*borden” and is located in Arnold, Missouri. This item can be shipped to United States.