Christina Trevanion takes a look at rare and unique items bought by Bargain Hunt contestants. We learn more about them, including some top tips on how to find one yourself, and of course we see how the items fared when they went under the hammer. Christina also finds out about a rare book on birds worth millions of pounds. Natasha Raskin Sharp talks to Charles Hanson about Faberge flowers, and Charlie Ross explores a unique collection of self-playing instruments.