Amédée TARDIEU (1822-1893) geographer and librarian. 11 L.A.S., 1857-1879, to his friend Ferdinand Hérold; 25pages in-8, 2 headings Bibliothèque de l'Institut impérial [puis national] de France. December 24, 1857, thanking him for his support "in a decisive circumstance of my entire career": he was appointed by 103 votes to 29. - July 12, 1862, question from M. Beulé on the origins of the Herold family. - January 10, 1867, about George Hainl. - December 29, 1867, concerning his wife's concerts (pianist Charlotte Tardieu de Malleville). - April 27, 1879, requesting the Knight's Cross of the Legion of Honor for violinist Jean-Pierre Maurin... Etc.

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.