An employee shows a 1 gram piece of a gold Combibar at a plant of gold refiner and bar manufacturer Valcambi SA in the southern Swiss town of Balerna December 20, 2012. The divisible gold combibar has a purity of 99.9 percent, weighs 50 grams and also has predetermined breaking points which allow it to be easily separated without any loss of material into 1 gram pieces. Picture taken December 20, 2012. To match story SWISS-GOLD/ REUTERS/Michael Buholzer (SWITZERLAND - Tags: BUSINESS) Published: Pro. 21, 2012, 10:30 dop.