Art Nouveau Plique-à-jour enamel and diamond dragonfly brooch, French, circa 1900 - Sotheby's

Mounted en tremblant, the wings of green and blue plique-à-jour enamel edged in rose-cut diamonds, the body decorated with old-mine diamonds and apple green translucent enamel, the eyes set with 2 pinkish-gray pearls, mounted in gold and silver, maker's mark GA for Georges Auger, assay marks. Lot Sold: 52,000 USD

Sotheby's Important Jewels New York | 17 Oct 2007 www.sothebys.com