USM1 helmet. USM1 helmet shell. Front snap fastener. Batch number 286C. Fixed bridge. Chinstraps complete but probably later. 85% paint and cork. High pressure composite liner. Headgear complete with leather sweatband. Later leather chinstrap. Paintwork reconditioned after the war. Some wear and patina to be noted. Condition II+. US M1 helmet. M1 helmet shell with front seam rim. Lot number 286C. Fixed bales. Complete chinstraps, although likely postwar replacements. Original cork-textured paint retained at 85%. High-pressure composite liner. Complete suspension with nape strap and leather sweatband. Postwar leather liner chinstrap. Reissued and repainted in the postwar period. Notable overall wear and patina consistent with service use. Condition II+.