Early M31 aluminum helmet liner. Leather has been painted gray. The item "WW2 German Early M31 aluminum helmet liner, size 66/59" is in sale since Tuesday, January 28, 2020.This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\Germany\Hats & Helmets". The seller is "cart32tfs" and is located in Titusville, Florida. This item can be shipped to United States.