People collect all sorts of things. Some collect classic cars, while others collect presidential memorabilia. But when RM Auctions opens its event on January 18 at the Arizona Biltmore, the two will come together in the vehicle you see here. This 1955 Cadillac
Series 75 was made specifically for the White House for use during President Eisenhower's term in the Oval Office. But rather than transporting the president himself, it was made for the First Lady, Mamie Eisenhower.