Only 105 have been produced and they are the most valuable model in the Alfa Romeo 2600 range, which was the flagship Alfa Romeo model in the mid 1960s. Powered by a six-cylinder twin-cam engine. 2,584 cc, produced 165 bhp (123 kW). Top speed was 215 km/h (134 mph). (wikipedia)
1962 Alfa Romeo 2600 SZ Prototipo
(Photos from conceptcarz.com, bonhams.com, fantasyjunction.com & carstyling.ru)