Michael Buerk and historian Bettany Hughes presents a series of programmes counting down the 50 greatest treasures discovered by the British public. In this episode, Michael Portillo discovers that a cufflink from Rochester was one of the first-ever royal souvenirs, a 2000-year-old comb is put through its paces by hairdresser Nicky Clarke, Claire Barratt investigates the curious case of a medieval prosthetic nose, and there is a look at a token for a Roman brothel on the shores of the Thames.