We are offering these 1oz silver bars by one of the most prestigious names in precious metals refining...Johnson Matthey. When it comes to precious metals, the Johnson Matthey name is synonymous with quality. Because of this, their bars carry a slightly higher premium than other comparable silver bars. This is due to the market reputation of the company and its dedication to high quality products. These are one of the most popular silver bars on the market so make sure you get your hands on some today!