This one-off 1960 Alfa Romeo 6C 3000 CM Pininfarina Superflow IV could very well be the star of the Curvaceous Coupes class at the Chubb Insurance Concours d'Elegance. It's the world's only Alfa Romeo 6C 3000 CM (Competizione Maggiorata) ever made, having evolved from four prototype designs at the hands of Pininfarina.

This car was originally built for endurance racing, with just eight 'works' examples getting made - two of them ending up with specialist coachbuilders, such as Boano and Pininfarina, and converted for road use.


The first iteration of the car, known as Superflow, used Plexiglass on the headlight covers and hinged 'gullwing' sections of the roof. Pininfarina followed that up by giving it a sharper nose in its second iteration, while the Superflow III version featured an open roof. Its fourth and final design was on display at the 1960 Geneva Motor Show, where the car again used a lot of Plexiglass, and was considered both a Coupe as well as a Spyder.

Salon Privé visitors will be able to admire the one-off Superflow IV between August 31st and September 1st.