[Atlas]. ÉTRENNES utiles et nécessaires aux commerçans et voyageurs, ou Indicateur fidèle enseignant toutes les routes royales A Paris, chez Desnos, 1793. In-18, [6] f., 176 p., paperback, old marbled paper cover (traces of adhesive on the cover, spine broken). Charming atlas entirely engraved on copper; it consists of a frontispiece, a title page, a double map of France, a double map of the surroundings of Paris, 156 pages of maps, a page of explanation of the signs, a Table des routes (p.151-159) and its Addition (p.167-176). All maps are coloured. This edition is followed by the "Nouvelle table alphabétique des villes et bourgs qui se trouvent sur les routes contenues dans l'Indicateur fidèle", 47 typographed pages.

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.