Original German Steel Helmet Stahlhelm M40. Relic of Battlefield WW2 1940 World War2. The Helmet M40 was found on the. The exterior condition of the helmet is on the photos - see all photos carefully. Dimensions: 270/225/160mm - 10,6/8,8/6.3 inches.Diameter - 640mm / 25,2 inches. The item "Original German Steel Helmet M40 Stahlhelm Relic of Battlefield WW2 World War 2" is in sale since Friday, January 22, 2021. This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\Germany\Hats & Helmets". The seller is "lima-store" and is located in Europe. This item can be shipped worldwide.