Vintage Modernist Taxco sterling silver earrings

Hand crafted in Mexico, vintage 70s modernist style clip on earrings made out of sterling silver with black enamel overlay, hallmarked 925, made by Taxco artisan TC-328, overall in great vintage condition, some light wear/aging signs as seen in the photos, the clips hold securely, come from a non-smoking environment, the earrings measure 3 cm.