Antiques Roadshow: Durham Cathedral

The Antiques Roadshow visits Durham Cathedral, where treasures include a sweetheart brooch associated with the Grenadier Guards, bought in a hospice shop. A young boy with an interest in military history shares the story of his grandfather's courageous service as a navigator in the RAF, and the owners of two portraits by Norman Cornish, an artist who documented life in the pit communities, discover surprising connections between their families and paintings. Paul Atterbury is intrigued by a set of secret documents that relate to the D-Day landings in 1944. There is a also a giant pestle and mortar once used in a country house kitchen, a coachman's knife with a tool for every occasion and a vintage sunlamp bought from a charity shop.