Mark Harnden invites everyone who thinks they are sitting on a goldmine to take a chance selling their antiques at auction. Flog It! visits Hungerford where hundreds of people turn out to see whether their hidden treasure is worth a small fortune. Experts Philip Serrell and Thomas Plant put their reputations on the line as they predict what might make money in the sale room. Will that old vase pay for a holiday? Can you turn that boot sale bargain into a nest egg? Show less