Michael Aspel and a team of experts are in Buxton, Derbyshire. Items include a pair of pistols, a portrait of a mysterious girl, a yellow diamond worn for gardening and a Steiff bear whose owner admits it was given to her on her second birthday - in 1909. Producer Michele Burgess ; Executive producer Christopher Lewis www.bbc.co.uk/antiques 20th Century Roadshow is on Thursday at 8pm
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