6 books on watches, F. v. Osterhausen "Wie kaufe ich eine alte Armbanduhr", Callwey Verlag Munich 1997, G. L. Brunner "Armband Uhren", Heyne Verlag Munich 1990, "Zenith Swiss Watchmakers since 1865", with enclosed price list from 2002, P. Braun "A. Lange & Söhne", with large overview of models, Heel Verlag Königswinter 2003, B. Schmeltzer "Taschen - und Armbanduhren richtig sammeln und bewerten", Duisburg 1997, Mühe/Vogel "Faszination Uhren - Europäische Tischuhren, Wanduhren, Bodenstanduhren", Callwey Verlag München 1976, various covers, clear age. covers, clear signs of age and wear, 4351 - 0022

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.