The Antiques Roadshow visits Ebrington Square in Derry/Londonderry, where treasures include a Celtic stone head, rare Belleek vases found in a charity shop, and a napkin drawing by boxing legend Muhammad Ali. Marc Allum explores a 19th-century photo album of ancient Egypt, while Ronnie Archer Morgan examines a mysterious stone head that could be thousands of years old. Fiona Bruce discovers the legacy of Northern Irish motor racing through the story of the Crosslé car company. Other highlights include a child’s Austin Pathfinder pedalcar, a puzzling brass stand investigated by Lennox Cato, and John Sandon’s surprise at a valuable pair of Belleek vases bought for just a few pounds.