奥利维耶-德布雷（1920-1999） 卢瓦尔河的赭石（1971 年） 布面油画，背面有签名、年代和献辞 14 x 18 厘米 附 Sylvie Huerre-Debré 夫人出具的鉴定证书 出处 ： 1971年由艺术家直接赠送，法国私人收藏 参考书目 ： 这件作品将收录在当代创作中心（CCCOD）与艺术家继承人合作并在 Sylvie Huerre-Debré 女士监督下正在编写的绘画作品目录中。

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.