BSA 550 4HP ¼ type K - c.1918 Frame number: 26903 Engine number: 26830 557 cc 4-stroke single-cylinder engine with side valves and 3-speed gearbox, chain-belt drive. Evolution of the 3HP ½ model from 1914, displacement increased, three-speed gearbox and belt-and-chain drive added. This beautifully presented example has benefited from an early restoration and features acetylene lighting and its BSA carburetor. Engine not blocked, to be restarted. No registration certificate. The bikes, mopeds, scooters and motorcycles in this collection need to be restored or put back into service before use, and are being sold without a technical inspection. Boisseau - Pomez does not guarantee the possibility of obtaining a new registration certificate for the lot concerned.

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.