索米尔-维克多-库（1838-1919 年，画家和摄影师，常驻索米尔，主要为骑兵学校工作）/一套 7 张原始照片（6.5 x 10.5 厘米，有瑕疵），描绘的是 1879 年索米尔骑兵学校的骑手，其中 5 张背面有骑手的亲笔签名。

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.