Here's your chance to buy the "Rolls Royce of Rolls Royces," a pristine 1954 Phantom IV H.J. Mulliner Limousine, and one of only 18 built. This particular example belonged to Princess Margaret, the only member of the British royal family known to have engaged in a life-or-death struggle with her breakfast. Phantom IVs were only available for purchase to royalty or heads of state, and came equipped with a 5.7-liter side-valve straight-eight and the all-important four-bottle "drinks cabinet."

Princess Margaret's Phantom IV was a gift from Queen Elizabeth II, who had just purchased herself a Rolls Royce Phantom IV Hooper landaulette; she wanted Margaret to have a Phantom IV H.J. Mulliner limousine, just like her first one. How sweet. No word on what kind of mileage the big Rolls limo gets, but with that back seat it sure would make a sweet summer road trip ride.