Original U.S. 1980s United Nations U.N. M1 Steel Helmet with Liner – International Military Antiques
Need help with M1-Bought off of eBay for around $80, seller claims it's from Vietnam era. However, in none of the photos I've seen online have I seen the clasp that attaches
Quick reference guide to "How old is this M1 helmet liner?" - M-1; M-1C & M-2 HELMETS - U.S. Militaria Forum
Helmet, Protective, Type M1, United States Army Air Forces | National Air and Space Museum
WW2 German, Soviet, Allied militaria, uniforms, awards, weapons history. War relics forum
M1 Helmet Liner - Ground Troops (Combat) Type I - Original – J. Murray Inc. 1944
M-1C Airborne Helmet Complete, Reenactor
WWII Gear - U.S. M1 Helmet with Liner
Original U.S. 1980s United Nations U.N. M1 Steel Helmet with Liner – International Military Antiques
Original 1980s Iraq US Army Military Steel Helmet Liner hand cut metal over rim | EstateSales.org
WWII Gear - M1 Austrian Steel Helmet with Reproduction Liner