U.S. Vietnam era steel helmet, possibly Navy. Rear seam helmet shell, original paint "UMAL 1967" Original painted WWII style liner without markings

U.S. Vietnam era steel helmet, possibly Navy.  Rear seam helmet shell, original paint

U.S. Vietnam era steel helmet, possibly Navy.  Rear seam helmet shell, original paint

U.S. Vietnam era steel helmet, possibly Navy.  Rear seam helmet shell, original paint

U.S. Vietnam era steel helmet, possibly Navy.  Rear seam helmet shell, original paint

U.S. Vietnam era steel helmet, possibly Navy.  Rear seam helmet shell, original paint

U.S. Vietnam era steel helmet, possibly Navy.  Rear seam helmet shell, original paint

U.S. Vietnam era steel helmet, possibly Navy.  Rear seam helmet shell, original paint

U.S. Vietnam era steel helmet, possibly Navy.  Rear seam helmet shell, original paint

U.S. Vietnam era steel helmet, possibly Navy.  Rear seam helmet shell, original paint

U.S. Vietnam era steel helmet, possibly Navy.  Rear seam helmet shell, original paint

U.S. Vietnam era steel helmet, possibly Navy.  Rear seam helmet shell, original paint

U.S. Vietnam era steel helmet, possibly Navy.  Rear seam helmet shell, original paint

U.S. Vietnam era steel helmet, possibly Navy.  Rear seam helmet shell, original paint

U.S. Vietnam era steel helmet, possibly Navy.  Rear seam helmet shell, original paint