An Art Nouveau Yellow Gold, Polychrome Enamel, Diamond and Emerald “Style No. 4: Calanthe Veitchii” Orchid Brooch, Paulding Farnham for Tiffany & Co., Circa 1890. Photo courtesy Leslie Hindman Auctioneers

in an intricate naturalistic design, the curled petals of the yellow gold blossom accented front and reverse with pink, purple, yellow and orange enamel accurately mimicking the subtle coloration and veining of the orchid, the center of blossom accented with a silver wirework stamen containing an old mine cut brown diamond measuring approximately 4.60 mm in diameter within a five point surround, each containing a rose cut diamond, the curved gold stem containing 11 round and oval mixed cut emeralds, the brooch measures approximately 49.00 x 43.00 mm. Stamp: TIFFANY & CO.