La Maréchale JOFFRE. Henriette Penon (1863-1956) married Joseph Jacques Césaire Joffre, future Marshal of France, on April 26, 1905 - A.S. written in Paris XVIe 17 avenue de Lamballe on August 25, 1948, addressed to M. Massot. Henriette accepts the honorary presidency of the Galerie Vitrée. Carte de visite on the letterhead of "La Maréchale Joffre". Signed "Henriette Joseph Joffre".

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.