Unknown Fish Skeleton Tie Clip Gold Tone Black Fishbone

Distinctive fish skeleton tie clip featuring a raised gold-tone fishbone design against a dark recessed background with gold-tone border. Fun fishing-themed accessory for an angler, fisherman, or collector of novelty men's jewelry. Pre-owned with minor surface wear visible in the photos. Maker, age, metal composition and dark background material are unknown. Please review photo closely for design and condition.