安东-伯格，1824a.M.法兰克福-1905 年，克朗伯格，5 幅铅笔素描，浮游生物，7.5x14 厘米，玻璃下 23x32 厘米；建筑素描，庭院后景，17x10 厘米；风景中与牛群在一起的一组人物，4.5x10 厘米；双隐士的建筑细节，26x12 厘米；大胡子老人的素描，11.5x9 厘米；每幅素描背面都有 "Kunst-Nachlaß Anton Burger "的庄园印章。

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.