• High quality model from a premier make • Supplied new to Viscount Enfield (later Sixth Earl of Strafford) • Only three owners from new • Restored to concours standard regardless of cost • Present ownership since 2018 • Running beautifully Founded by John Marston, a God-fearing Victorian industrialist, Sunbeam was first associated with beautifully made, though expensive, bicycles.

The arrival from Hillman in 1909 of influential designer Louis Coatalen and the pursuit of an effective competitions programme enabled Sunbeam to establish a formidable reputation prior to WWI, its superbly made products ranking alongside the best from Alvis and Bentley thereafter.

First introduced in 1910, the 16/20hp was extensively revised for 1912, and although the (L-head) sidevalve engine was still a four-cylinder it was entirely different from the T-head original.

Bore and stroke were 90x160mm for a capacity of 4,072cc, while mixture delivered by the Claudel-Hobson carburettor was sparked by Bosch ...