It wasn’t until the early 1950s, though, that in the quest for even greater aerodynamic efficiency, Zagato created its most enduring and recognisable design cue: the double-bubble roof.

It was designed with the typical Zagato double-bubble roof and equipped with a 2 litre inline-6 engine. This sought after car will be back at Pebble Beach 2012 for a special event featuring AC Cars.