Das schwarze Gebetbuch. (Prayer Book of Galeazzo Maria Sforza). Facs. and commentary volume (Frankfurt a. M., Insel 1982). Cl.4°. With numerous col. Miniatures and book decoration on black ground. Handmade original purple suede leather binding with gilt edges and original paper boards in half morocco case (W. Pingel). Facs. of the Codex 1856 of the Austrian National Library in Vienna. - One of 400 num. Ex. - Letters in gold and silver. - Commentary by Ulrike Jenni a. Dagmar Thoss.

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.