A gem set and diamond brooch, early 20th Century - Photo Sotheby's

Designed as a dragonfly set at centre with a circular opal cabochon, the wings composed of plique-a-jour enamel, the body and wings decorated with mother of pearl, circular-cut and cabochon rubies, circular-, single-cut and rose diamonds,detachable brooch fitting. Estimation: 4,000 - 6,000 GBP. Lot. Vendu 13,750 GBP

Sotheby's. The Jewellery Collection of the Late Michael Wellby: An Eclectic Eye - Jewels Spanning Four Centuries. London | 11 déc. 2012 www.sothebys.com