Valcambi 10 Gram Gold Bar. 9999 Gold Bar is issued by the Istanbul Gold Refinery. The reverse includes the inscriptions 10g, Fine Gold, the assayer emblem, the bar’s unique serial number, and 999.9. On the reverse is engraved “valcambi suisse”. Gold bullion bars have long been a sound choice for precious metals investors. There are primarily two advantages recognized by those investing in bullion bars. Due to lower production costs, they generally have a lower premium as compared to the same troy oz of gold coins. This, of course, results in less expensive upfront investment costs. Perhaps equally important to the precious metals investment stacker is the bar’s relative ease of “stacking” for storage. The stacks generally take less room to store than the same weight of bullion coins. Consider adding gold and silver bars to your bullion investment strategy today! Contains 10 gram of. Obverse: Valcambi Suisse logo, the bar’s weight, assayer’s emblem, the bar’s unique serial number, and purity. Reverse: “valcambi suisse” is engraved. Individual bars come sealed in their assay card, which bears the bar’s specifics and a unique Serial Number.