LONDON.- For the first time ever over 20 of Bonhams art and antiques specialists will be available at Bonhams, Knightsbridge to offer free valuations on Tuesday 3rd May 2011. Bonhams has over 57 specialist departments and Knightsbridge is the only saleroom which handles the whole range of fine and decorative arts and collectors’ items. In addition to valuing silver, jewellery, works of art and paintings there will also be experts in the specialist fields of entertainment memorabilia, coins and medals, sporting guns, musical instruments, jewellery, clocks and vintage costumes. The enduring appeal of TV programmes on antiques has alerted many people to the potential value of objects in their home, and offering free valuations at this special event there will be specialists who regularly appear on TV, including Eric Knowles and Jon Baddeley. Bonhams Knightsbridge is the busiest auction house in Britain, holding 122 sales a