卢梭（J.-J.）。两个情人的来信》。新沙泰尔和巴黎，Duchesne 出版社，1764 年。四卷八开金色小牛皮，封面三重鎏金饰边，光滑的书脊上有分隔和装饰，红色摩洛哥革书名和封面，鎏金边（时期装订）。其中一块封面被撕掉，一块书脊底部扭伤。新版，经过校正和放大，配有凹版插图和目录。科钦的封面插图和格拉维罗雕刻的 12 幅 h.-t. 图。科恩，905。

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.