• Comprehensively restored by marque specialists • Fitted with numerous mechanical improvements • One of the finest British sporting cars of its day Having established its reputation by winning the Moscow - St Petersburg Reliability Trial of 1910 with a 30hp six, Lagonda concentrated mainly on the production of light cars before reverting to sporting and luxury models in the mid-1920s with the introduction of the 14/60.

The latter abandoned the firm's traditional in-unit gearbox in favour of a midships-mounted transmission, but of greater technical interest was the engine.

Designed by Arthur Davidson, the 2-litre 'four' featured twin camshafts, mounted high in the block, operating inclined valves in hemispherical combustion chambers.

Power output of this advanced design was a highly respectable 60bhp.

For the 1929 season, a 'low chassis' Speed Model was introduced, featuring revisions to the frame's front end and a higher-compression engine fitted with twin carburettors.

The Speed...