Three prints from a Kentucky Derby winners series.

Three American prints from a Kentucky Derby winners portrait series,two after C. W. Ernst of the winners Tommy Lee (1959) and Chateaugay (1963), the first  under glass in a clip frame, the other mounted, framed & glazed; the third print by Joe Petro and portraying Iron Liege (1957), the clip framed print the largest 60 by 50cm., good condition, (3).