There wasn’t a chance that Bentley was going to diffidently celebrate 100 years of existence, not with the company so successful and the line-up this competitive. Here, therefore, is the third in Bentley’s trilogy of Centenary Limited Editions – the other two being the ‘Number 9′ Continental and the W.O Edition Mulsanne – christened the Number 1 Edition. All are ‘By Mulliner’ cars. Based on the new Continental GT Convertible, the Number 1 Edition “encapsulates Bentley’s remarkable spirit of achievement during the last century.” It aims to evoke the No. 1 4.5-litre Blower of Tim Birkin, the car that sent the Bentley boy around the Outer Circuit at Brooklands in 1932 at an average of 137mph. Pretty brisk now; a feat of engineering wizardry then, and a record that stood for two years. Perhaps the most tangible link between 90 year-old racing car and new luxury convertible is the wheel spinner in the dash rotating display. Not only does it look like the wheel spinners found in those Bentley icons of the 1920s and 30s, those for this No. 1 Edition have been cast from a piston off the actual car, taken during restoratio...