Engelhard 100 oz Silver Bar .999 Fine Silver. Each of these Engelhard Bars contains 100 Troy Ounces of 99.9% Pure Silver & bears a unique serial number! Bars ship in original plastic when available. Engelhard silver bars are popular on the secondary market, due to their beauty, purity, quality and the fact that Engelhard is a trusted brand among silver bullion investors. Please note that Engelhard produced several designs of 100 oz silver bars over the years, so the picture above is only an example and may not be an exact representation of the design on your Engelhard bar.