Many investors know that the most efficient way to obtain pure silver is in the form of 100 ounce bars. However, in order to guarantee purity, that bar must bear the hallmark of a reputable, instantly recognizable refiner. Johnson Matthey 100 ounce silver bars are always acceptable to the most discerning investors. From its founding in 1817, Johnson Matthey has created an unrivalled position in all precious metals, based on specialist knowledge and technical excellence. Johnson Matthey silver bars are one of the world’s most widely recognized and secure investment instruments because the universally recognized hallmark assures almost instant liquidity throughout the world.