100% Original Schwarzer Unterscharführer Kragenspiegel WK2

I need help identifying this m1 shell

Hello i was wondering if anyone can tell me if this m1 shell , is a original ww2 or korean war production shell.or if its from another country.the paint

WW2 USN DAMAGE CONTROL M1 w SEAMAN PAPER COMPNAY LINER

Hi Guys
Here's a cool one ...always wanted one of these as I collect WW2 Navies these days. This is a McCord Helmet looks like its stamped 888

American or British

Can someone please ID this bayonet. My grandmother told me it’s British but now someone just said it’s probably American

Verwundetenabzeichen WW1

Wanted to know if this is real or not WW 1 Wound badge I have bought a couple and they could pass for a real one but in the end they were a fake copy

Stahlhelm Wehrmacht 2. Weltkrieg Q66 S4409 Größe 57-61