An excellent example of a genuine complete Vietnam War era U.S. M1 helmet. This M1 steel pot was manufactured by Parish Division of the Dana Corporation who made helmets in 1968 for the U.S. during the Vietnam War and has a heat stamp number of: 6735, the chin strap metal work has anchor marks. The genuine U.S. P55 liner was made by Inland with a Firestone over-stamp and manufactured in the late 1950's/early 60's in excellent condition, it has a genuine U.S. sweatband made in the 1960's, and a genuine U.S. nape with ink contract markings dated 1963, the genuine U.S. vintage leather chin strap has early anchor & DOT manufacturer marks. The genuine U.S. Mitchell cover retains its colours and is a rarer twill variant, and a scarce manufacturer being Capitol Fur Inc USA, its DSA contract marked and was made in 1967, does have a couple of genuine soldiers field repairs as pictured. A very nice complete M1 helmet.