the Vanvooren design for an aerodynamic four passenger car to be built by Vanvooren on a prototype lightweight Bentley MK V chassis. It was to be called the Corniche. Due to passenger and luggage carrying demands made by Bentley, the first design was heavily compromised. High speed instability was the result.

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If you wonder why I'm tossing the name Vanvooren around like you might know who I'm talking about, it's because of the gift Bugatti from France to the Iranian http://justacarguy.blogspot.com/2012/05/1939-bugatti-type-57c-coachwork-by.html