1 of 630 fuel injected convertibles produced in 1957. 1 of only 8 known in this color combination charcoal gray and Ivory, 347/310 HP V-8 engine. Rochester fuel injection, dual exhaust, Hydra-Matic transmission, power steering, power brakes, power operated top, continental kit, power windows and seat. A rarity among rarities. With it's performance heritage, exclusivity and super rare color combination, this gorgeous 1957 Bonneville Convertible would be a prized addition to any car collector's stable