An original M1 helmet, with a rear seam, swivel bales. One or two dents and dings, a couple of blue paint marks on the top. The strap is OD7, frayed at the bales, strap buckle is indicative of being an Austrian post-war version of the M1, but essentially identical to the American version, strap aside.
The liner that is just visible has been used to pose them helmet only, not included in the sale.