This lot will be auctioned via Iconic Auctioneers, The Iconic Motorcycle Sale at the NEC Classic Motor Show 2025 on Sunday the 9th of November, NEC, Birmingham, B40 1NT. The Triumph Twenty One, also known as the 3TA, was a 350cc twin-cylinder motorcycle produced between 1957 and 1966 to mark Triumph’s 21st anniversary Purchased in 1993 from a neighbour to accompany a similar machine already in the owner’s possession Finished in period correct Shell Blue Sheen and retaining its distinctive fully enclosed rear bodywork that earned it the 'Bathtub' nickname Powered by a 348cc twin with a single carburettor and 4-speed, foot-change gearbox designed under Edward Turner’s supervision Stored dry in a private collection for several years and would benefit from light recommissioning prior to road use Offered without reserve, providing an attractive opportunity to acquire a characterful British classic from one of the most respected post-war marques