This appear to be a high quality reproduction of a German paratrooper helmet! Very large size as well! The item "WW2 German Helmet 36 Paratrooper (Fallschirmjägerhelm).
Size 71 M35 M42" is in sale since Monday, February 17, 2020. This item is in the category "Collectibles\Militaria\WW II (1939-45)\Reproductions\Germany". The seller is "southern-surplus2016" and is located in Clinton, Mississippi. This item can be shipped to United States.