Palmer painted winners of all the English and Irish classics and many Group winners beside. These included champion horses such as: the Earl Of Derby's Swynford, winner of the Eclipse Stakes and the St Leger, Tranquil, a success in the fillies classic, the 1,000 Guineas in 1923 and Hyperion, painted in 1933 after the colt won both the Derby and St Leger, Aboyeur, winner of the Suffragette Derby in 1913, Royal Lancer, owned by Earl Lonsdale and winner of the St Leger in 1922, Lord Woolavington's Derby winner Coronach, the undefeated The Tetrarch owned by Sir Hugh McCalmont and voted by the British National Horseracing Museum as the best English-trained two-year-old of the 20th century, Gainsborough, who in 1918 won the English Triple Crown and the Ascot Gold Cup for Lady Douglas, the first woman to own a classics winner and the filly Golden Corn, winner of the July Cup in 1923 and owned by Marshall Field III grandson of Palmer's early patron. The style is always the same with non-specific, featureless backgrounds so that the eye always focuses on the horse.
