Plot: A teapot that holds 144 cups of tea, a gruesome 18th-century mourning ring, a rare Hungarian vase, a painting of Britannia too large to fit in the house and the 'nicest netsuke seen on the roadshow'; these are some of the discoveries when Michael Aspel takes the experts to Newport in Gwent. Plus, Michael is shown a home-made device used for clearing incendiaries in WWII