Antique Gold, Silver, Enamel, Diamond and Gem-Set Frog Dress Set  Including a pair of cufflinks and four studs, the frogs applied with blue enamel, set with small single-cut diamonds, accented by 10 small round ruby eyes, the cufflinks completed by diamond-set cylinders tipped by 4 round cabochon sapphires, applied with blue enamel decoration, joined by gold circle links, the studs completed by circular plaques applied with scrolled blue enamel decoration, approximately 20.3 dwts.