安东尼-克拉维 - 红点和绿点，1973 年 石版画背景上的碳化硅雕刻和压花 铅笔签名，献给 Roger Passeron 除 80 件前版之外的单件艺术家测试样稿 状况良好，56.5 × 76 厘米 石版画背景上的碳化硅雕刻和浮雕 铅笔签名，献给 Roger Passeron 80 册版本之外的独一无二的艺术家样张 保存完好，56.5 × 76 厘米

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.