At refined Richmond pop into 17th-century Ham House, then Richmond Park, hunting ground of Henry VIII who, thankfully, did not finish off all the deer - hundreds still roam.

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Detailed examination has also compared the similarity between the dress worn by Susannah in the reworked version and that on Charlotte Walpole, Countess of Dysart, credited to Reynolds, which hangs at the National Trust's Ham House near Richmond.

BBC: Thomas Gainsborough portrait 're-worked by rival'

Mrs Watson, who now lives with her husband in her new four-bedroom house in Ham Green, near Bristol, supports moves to make sellers' packs compulsory.

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