Hi Bob, looks like a sound M40 HEER helmet shell to me. Leon.
"Always do sober what you said you'd do drunk. That will teach you to keep your mouth shut." Ernest Hemingway
very nice and 100% Original.
Lucky that the rivets were replaced when the liner was removed. Do you think they are the original ones?
" When you're chewing on life's gristle, don't grumble, give a whistle "