Coachbuilt examples of the DB4/5/6 family of Aston Martins are extremely rare, making the unique Bertone-bodied car offered here all the more precious and desirable.

'0201L' is the last DB4GT chassis completed in period (a further six 'Sanction II/III' DB4GT Zagatos were built in the late 1980s/early 1990s) and was first displayed on Bertone's stand at the 1961 Geneva Motor Show, which was followed by an appearance at Turin that same year.

Its designer was none other than Giorgetto Giugiaro, one of the 20th Century's foremost automotive stylists and then only 22 years of age, who would go on to create some of the Italian coachbuilder's most memorable designs before leaving to join Carrozzeria Ghia.

By the time he left Ghia to found Italdesign in 1968, Giugiaro had been responsible for such sublime creations as the Maserati Ghibli and De Tomaso Mangusta.

It was only appropriate that Aston Martin's top-of-the range and most expensive production model, the DB4GT, should have been sele...