https://www.usmilitariaforum.com/forums/index.php?/topic/368057-usn-vf-24-red-checktails-f8u-lighter/
USN VF-24 "Red Checktails" F8U Lighter - UNOFFICIAL MILITARY AWARDS (PLAQUES, STEINS, CUPS,...
Japanese-made "Sarome". Yes, that is a very old nail used as an improvised hinge pin.