Lot 491: William Edward Trevithick, British 1899-1958- ''Th

William Edward Trevithick, British 1899-1958- ''The Aeroplane - Rolls-Royce Aero Engines For Speed and Reliability''; gouache/collage with white opaque and air brushing on artist's board, initialled and numbered 67, 50x38cm: together with four other works by the same artist- Rolls-Royce engine, Rolls-Royce decorative border for Phantom III, Rolls-Royce Mayfair 6201 & Rolls-Royce border; gouache/collage with white opaque and air brushing on artist's board, & pencil and pen drawing on paper on artist's board, 54.7x38.1cm (2), 37x51cm, 38x55cm., (5 in the lot) (unframed) (may be subject to Droit de Suite) Provenance: Gifted to the present owner by the artist's widow Bessie Trevithick