WW2 German M40 Helmet Decal Removed ET-66 Lot No 5031

The WW2 German M40 Helmet, designated as ET-66 Lot No. 5031 with decal removed, is a military headgear produced during the Second World War for the German armed forces. The M40 variant introduced stamped air vents directly into the shell, a modification from earlier models that utilized separate fittings. The helmet is constructed from steel and is marked “ET-66,” indicating manufacture by Eisenhüttenwerke, Thale, with a shell size of 66 centimeters. The lot number 5031 corresponds to a specific production batch, facilitating historical research and identification. The decal removal suggests post-war denazification or field modification, as insignias were often removed for compliance or camouflage. This helmet style was widely issued across various branches of the Wehrmacht and maintained the classic German helmet profile that provided enhanced head and neck protection for soldiers. The remaining patina and manufacturing marks offer insight into both its period use and later handling.