Autocar Glass Plate B2646
Raymond Mays, who broke the record at this event with a time of 45.6s. Peter Berthon in the passenger seat of the Vauxhall-Villiers (which for some reason The Autocar called the Villiers-Vauxhall).
I think that they would have called it the Villiers-Vauxhall because it was <a href="/photo/vauxhall-villiers-paddock-1929-september-shelsley-walsh-hillclimb/3822">written on the side of the car.</a>
Yes, I noticed that after I'd sent the above! To the best of my knowledge, Raymond Mays himself always referred to it as the Vauxhall-Villiers, until it was renamed the Villiers Supercharge after its winter 1929/30 rebuild. Perhaps Amherst Villiers got to the sign-writer first.