Original (not reproduction) US Army Vietnam War period M1 helmet with liner, The liner has US mold mark MII indicating Marmac Industries manufacture circa 1955-1963 and has the original liner leather chinstrap. Headband markings are contract dated 1969 and neckband strap is contract dated 1967. The helmet has heat stamp number 1-8032 which indicates the manufacturer Ingersoll Products from 1965 to 1968. Complete with original Mitchell pattern camo cover with Contract DSA-100-69 C 1921 indicating 1969 production. Original and now scarce Vietnam War period elastic band is attached. Very good used condition.