Early Vietnam War M-1 Infantry helmet (McCord) with a Riddell pattern Westinghouse liner. Contractor markings on the nape strap and head band show early-to-mid 1960's. The Mitchell pattern helmet cover is dated 1971. (Helmet cover has some faded graffiti on the green side. It has an inner tube helmet band typically used by the Marine Corps. The anchor logo chin strap hardware is an earlier olive drab. Outside of steel pot has rubs and scrapes and discoloration to the paint but no dents or stress cracks. There is slight surface rust inside in the dome.