The Caribbean was based on the Pan-American concept car of 1952 and was introduced to compete against the likes of the Cadillac Eldorado, Buick Skylark, and Oldsmobile Fiesta. Packard 2631 Series bodies were sent from Detroit to the Mitchell-Bentley Corporation of Ionia, Michigan, for modifications including a hood scoop, chrome beltline and rocker trim, quad horizontal taillights with “fishtail” rear fender treatments, a Continental-style spare wheel in a body-color cover, and enlarged wheel openings with chrome trim and…