WW1-WW2 German Transitional M17 Helmet. The item “WW1-WW2 German Transitional M17 Helmet” is in sale since Saturday, March 7, 2020. This item is in the category “Collectibles\Militaria\WW I (1914-18)\Original Period Items\Germany\Hats & Helmets”. The seller is “unbuilt32″ and is located in Hopkinsville, Kentucky. This item can be shipped to United States, Canada, United Kingdom, Denmark, [Continue]