Art Nouveau Plique-à-jour enamel and diamond dragonfly brooch, circa 1900 - The wings of pale lavender and turquoise plique-à-jour enamel edged in single-cut diamonds, the body set with old-mine and single-cut diamonds, the eyes of green chalcedony, mounted in gold and silver. | Sotheby's
From Hayman Celtic Jewelry. "Dragonflies are a luck symbol. A pinner once had an interesting encounter with one who kept many a nuisance mosquito at bay as he rode on her shoulder. Some say the faerie folk sometimes take dragonfly form during the day."