Introduced in 1956, the Venom sports roadster was derived from the touring MSS. The latter had disappeared from the range in 1948, reappearing in 1954 with a new swinging-arm frame and telescopic fork. The engine too was up-dated, changing to 'square' bore and stroke dimensions of 86x86mm and gaining an alloy cylinder barrel and 'head. Engine development pursued as part of the scrambles programme bore fruit in 1956 in the shape of the high-performance Venom and its 350cc sibling, the Viper. The MSS frame and forks were retained for the newcomers but full-width alloy hubs were adopted to boost braking power, and smart chromed mudguards fitted to enhance the models' sporting image. In 1960 'Clubman' versions of both were introduced, minus the enclosure panels of the standard models, which featured a raised compression ratio, Amal TT carburettor, 'racing' magneto, rear-set footrests and a close-ratio gearbox among many other improvements. When supplied with the optional dolphin fairing, the model was known as the Clubman Veeline. Produced until the end of Velocette production in 1971, the Venom in its various guises represents the final glorious flowering of the traditional British sports single, and today these supremely well-engineered thoroughbreds are highly sought after.

An older restoration, this particular Venom comes with numerous old MoTs and bills, many of the latter from marque specialist, R Seymour including one for rebuilding the engine, which is said to be to full Thruxton specification. Other modifications from factory specification include a Norton Manx-style fuel tank, 12-volt electrics, TLS front brake and an Amal GP carburettor. Described as in generally good condition, the machine is offered with old-style logbook and Swansea V5.