WWI WWII ORIGINAL GERMAN M16 COMBAT STEEL HELMET ET64 RARE. DESCRIPTION: Offered to you is this WWI, WWII original German M16 combat steel helmet ET64 with leather liner and chinstrap. This helmet was used both during WWI and WWII. It is marked ET 64 (standing for Eisenhuttenwerk AG, shell size 64) and has a serial [Continue]