Vintage Taxco 1930s/ 1940s purple glass sterling silver cocktail ring. Stunning early Taxco cocktail ring featuring a faceted purple glass stone in a unique setting with layered prongs, accented with a rope edge and silver beads. Light patina, faint scratches on gas. Stamped Mexico Silver (stamp cut off partially), tested 925 sterling, made in the 1930s/ 1940s.