Intended for Heads-Of-State and captains of industry, Cadillac’s Fleetwood Imperial Limousine is the most luxurious and expensive of Cadillac’s 1955 line. Out of a total production run of 140,777 vehicles in 1955, only 841 were Fleetwood Imperial Limousines. This particular vehicle carries the very rare “X” (Style 7533X Imperial Business Limousine)