It is the final stretch, and Tim Medhurst and Christina Trevanion head through the Cotswolds and on to Wales. Tim gets to ring some very big bells while Christina calls in on a design museum and harks back to the utility furniture of the war and postwar era. Coin expert Tim finally buys a coin - it costs him a mint. Jewel magpie Christina stocks up on silver, diamonds and rubies. Whose treasure trove will be worth a king's ransom at the final auction? And who will be crowned winner?