20 novembre 2020
Kashmir Sapphire with Historic American Provenance Leads Bonhams New York Jewels Sale
Property from a Prominent New England Family. Lot 177. A Superb 17.21 carats Kashmir Sapphire and Diamond Brooch, circa 1910. Estimate US$ 500,000 - 800,000 (€ 420,000 - 670,000) . Photo Bonhams. The recent discovery of a rare Superb Kashmir Sapphire...