Preview of V.C Centenary Exhibition -- Lanc Corporal Tomlin of London looking at the Victoria cross and other awards and portrait of captain N.G. Chavasse, Royal Army Medical corps. He was one of three people ever to receive the double V.C. he died of wounds received in action. Sir Anthony Eden, the Prime Minister, will open the VC Centenary exhibition at Marlborough House, London, tomorrow. Over 1,000 exhibits ranging from a tie-pin to a tank will be shown, covering the 100 years of the Victor