LBMA (London Bullion Market Association) is a global authority for the precious metals market, specifically gold and silver. It sets standards for the purity, quality, and size of gold bars that are accepted in international trade. When you mention '10 oz gold bar LBMA brands,' it refers to a gold bar weighing 10 troy ounces and produced by a refinery or brand that is accredited by the LBMA.
