镶嵌蛋白石和蓝宝石的黄金女式戒指，德国，约 1970 年，刻有 750 号印记，手工制作，戒头镶嵌 1 颗凸圆形白蛋白石，约 4.00 克拉，色彩中等，略有裂纹和轻微划痕，尾部镶嵌 16 颗蓝宝石，约 0.60 克拉，戒指尺寸 56，重 7.84 克，戒带略有磨损痕迹。4075-001

Composed of several subsidiaries, the Drouot Group is a major player in the art market. Hôtel Drouot, located in the heart of Paris, has been the world's largest public auction center since 1852. 15 salerooms are available to more than 70 auction houses. The emulation generated by an annual offer of 230,000 artworks from 21 major specialities - from Antiquity to street art - attracts some 3,000 visitors every day. The Group's digital platform, Drouot.com, offers digital sales - Live auctions (live broadcasting and participation in auctions), Online-only auctions (dematerialised auctions) and Buy Now sales (sales of lots at fixed prices). Nearly 2 million items are offered annually by 600 auction houses. Auction news is reported every week in La Gazette Drouot, the leading weekly magazine for the art market and culture published by Auctionspress.