5 mai 2014
Natural pearl and diamond brooch, Bolin, circa 1900
Natural pearl and diamond brooch, Bolin, circa 1900. Photo Sotheby's. Of organic design, set with a baroque-shaped natural pearl and single-cut and rose diamonds, Russian assay marks, case by Bolin. Estimation 55,000 — 65,000 CHF Accompanied by SSEF report...