LAFORTUNE Jacky (born in 1946) The controversy Casein paint and marble powder on panel Signed on the back 72 x 72 cm Born in 1946, practices the art of chalk in 1967, he will develop this technique in Scandinavia. Read about it " Les crayeurs de rue et l'espace graphique " Editions L'Harmattan 2018. He has a doctorate on Romanesque frescoes. In 1987, he drew on the Berlin Wall for the 750th anniversary of the city. In 1989, he opened a workshop inside the University of Paris 8 reserved for the very first graffiti artists. He paints exclusively with casein and marble powder. See the website : lapeinturedejackylafortune.com.

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.