Original U.S. Vietnam Ingersoll M1 Helmet with USMC Camouflage Cover and 1956 Dated Liner With 12th Field Artillery and 77th Infantry Division Decals U.S. Badges It looks like the tip

It looks like the tip of the knife was the part that saw the most use

The reverse ricasso is marked with the company that forged the unmounted blade blank:

USMC Eagle

With its original stamping "S

Original U.S. Vietnam Ingersoll M1 Helmet with USMC Camouflage Cover and 1956 Dated Liner With 12th Field Artillery and 77th Infantry Division Decals U.S. Badges It looks like the tipOriginal Item: Only One Available. The M1 helmet is a combat helmet that was used by the United States military from World War II until 1985, when it was succeeded by the PASGT helmet. For over forty years, the M1 was standard issue for the U. S. military. The M1 helmet has become an icon of the American military, with its design inspiring other militaries around the world. Vietnam War era M 1 helmet shells have a set of swivel (movable) chinstrap