Original 1928 Castrol advertisement artwork, featuring a monochrome photograph of Sir Malcom Campbell's Bluebird at speed on Daytona Beach above the l

Original 1928 Castrol advertisement artwork, featuring a monochrome photograph of Sir Malcom Campbell's Bluebird at speed on Daytona Beach above the legend 'Another World Record using Castrol - 206.95mph', set alongside an Artist's impression of the car in watercolour, the bottom margin stamped 'C.C.Wakefield Co. Publicity Dept, Rejected - return to stores', framed and glazed, by cm., 17 by 14in.