Van Cleef & Arpels, diamond and gem-set 'Chat Malicieux' brooch, circa 1960, set with an onyx cabochon body, emerald eye accented with brilliant-cut diamond and ruby nose, signed Vca, numbered B1013X55, maker's mark for Pery & Fils, 18ct gold, weight 17.9gm, length 5.3 cm.