Vintage Sterling Black Onyx MCM Tie Clip

This abstract vintage midcentury modern 50s/60s tie clip by Tono, has Taxco Sterling AC 925 Hecho En Mexico Tono Piedra Negra (Black Stone/Onyx) T59 stamped on the back with the silver alligator teeth clip. The craftsmanship of this mixed metal brass/silver clip with its brass diamond shaped outer border, black onyx layer, silver inlaid middle layer and a turquoise stone center. Item is in vintage condition and may have normal wear/tear or need cleaning. Southwestern Mexicana Deco Mexican