Antoine Dubost (1769-1825) Sir David, by Trumpator. Le Cheval de course au poteau d'arrivée / The Race horse at the Ending post. 1818. Lithograph ("after his pictures painted in Newmarket in 1809"). [620 x 495 mm]. Proof on vellum, lined on cardboard. Several tears to the edges of the folio, including a long oblique through the letter and slightly into the subject. Fine margins.