Note: This article is reprinted from the October 2013 issue of Collectible Automobile. By Jack Stewart Jaguar was duly famous for its sports car in the Fifties and Sixties, but it was sedans that paid the bills. During World War II, Jaguar decided to develop a dohc engine that would power sedans capable of … Continue reading Photo Feature: 1959 Jaguar Mark IX Four-Door Sedan