Plot: A Beswick pheasant and a miniature armoire, or wardrobe, are among the items found by bargain hunters at an antiques fair in Builth Wells. But will they make any profit when they are sold at auction in Malvern? Presenter Tim Wonnacott visits the magnificent Capesthorne Hall near Macclesfield in Cheshire, and looks at a painting of the stately home commissioned from the matchstick men artist, LS Lowry, in 1954