Markwick Markham. A gold and enamel pair case verge pocket watch  London hallmark for 1813 Gilt full plate movement numbered 24018 with pierced and engraved balance cock, silver regulation with Turkish numerals, white enamel dial with black Turkish hour and minute numerals, gold beetle and poker hands, gold inner case with 1813 London hallmark and AN casemaker's mark, gold and polychrome enamel outer with scene of Constantinople (Istanbul) dial and movement signed 40.5mm diameter  Please note that Roseberys do not guarantee working order or time keeping of any automatic, mechanical, quartz or other timepiece

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.