Racing plate worn by Ambiguity when winning the 1953 Oaks at Epsom, trained by Jack Colling, George Colling's brother, and ridden by Joe Mercer then

Racing plate worn by Ambiguity when winning the 1953 Oaks at Epsom, trained by Jack Colling, George Colling's brother, and ridden by Joe Mercer then an 18-year-old apprentice jockey, mounted with an artist overpainted photograph of the filly, velvet background, framed & glazed, 23.5 by 21cm. Lots 272 to 294 From the Collection of the Newmarket trainer George Scott Colling (1904-1959); and the Collection of Mrs Marion Glenister, owner of Nimbus, the 1949 Derby & 2,000 Guineas winner, being material subsequently acquired at Graham Budd Auctions. George Colling was the son of R W Colling and brother to Jack, a famous racing dynasty in the history of the turf.