Art Nouveau necklace by Louis Comfort Tiffany of Tiffany & Co., circa 1914-1927. It features a double-chain of small fancy-shaped links applied with champlevé enamel in shades of blue, green and plum, spaced at intervals by cabochon emeralds. The center of the chain is decorated with a large floral link enameled in blue and green and set with cabochon sapphires, rubies, and an emerald.