29 avril 2015
Ruby and diamond brooch, circa 1900
Ruby and diamond brooch, circa 1900. Estimate 39,000 — 59,000 CHF (36,793 - 55,660 EUR ). Photo Sotheby's Designed as a bat, the wings pavé-set with circular-cut rubies and diamonds, the eyes composed of marquise-shaped diamonds, French assay and maker's...