Gold bars stored in the HSBC vaults in London are seen November 16, 2007. Twice a day, representatives of five banks pick up the phone to trade physical gold and arrive at the London "fixing" price, which then becomes a benchmark for gold around the world. To match feature GOLD-FIXING/ REUTERS/World Gold Trust Services/Handout (BRITAIN). EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. NO ARCHIVES. NO SALES.