LONDON.- Following a hugely successful first open house in May 2011, Bonhams will once again open the doors of its Knightsbridge saleroom to offer free verbal valuations on Wednesday 4th January 2012. 9:30am to 4pm. 20 of Bonhams art and antiques specialists will be available, including two who regularly appear on popular BBC antique programmes, Fergus Gambon and Jon Baddeley. In addition to valuing traditional antique and modern silver, ceramics, jewellery, books, works of art, prints and paintings, there will also be experts in the specialist fields of entertainment and sporting memorabilia, coins and medals, arms, armour and sporting guns, toys and dolls, musical instruments, jewellery, clocks and watches, vintage costumes. In May, the team of specialists discovered a rare famille rose Tibetan-style ewer, which went on to fetch £121,250 in the Fine Chinese Art sale at Bonhams, New Bond Street on 10 November. This highly f