Wwii German fireman helmet with hard to find leather neck guard and liner. See my other listings for more vintage knives and military collectibles for sale. #wwii #german #forsale #militaria #helmet #firefighter. The item “Wwii German Firefighter Helmet With Liner And Leather Neck Guard Rare” is in sale since Monday, December 31, 2018. This item is in the category “Collectibles\Militaria\WW II (1939-45)\Original Period Items\Germany\Hats & Helmets”. The seller is “jusm888″ and is located in Deltona, Florida. This item can be shipped to United States.