Ten young men stare out from the black and white photograph. Dressed in tailcoats, their clothes adorned with monogrammed buttons, the members of Oxford University’s exclusive Bullingdon Club gather on the steps of Christ Church college, every inch the elite.

At the front, hands clasped in his lap, sits future prime minister Boris Johnson, staring confidently down the barrel of the camera. Over his shoulder, another future prime minister, David Cameron, poses side-on, hand in pocket.