About the bar: A standard 1000-ounce (31,103 Kg) investment silver ingot bearing the Argor-Heraeus SA company logo, the country name "Switzerland", a silver fineness of "999.0", the year of the casting of the ingot and a unique number. This 1000 oz. the standard silver ingot is intended for large investors, such as the state,, banks, property, pension funds, large investment companies and investment companies, or companies investing their capital in precious metals to insure and maintain capital. Due to the size and casting of the ingot, it is not possible to cast a 1000 ounce (31.103 kg.) bar with complete accuracy, therefore, each silver bar has a different weight. When purchasing this bar, you must select a specific silver bar weight from the specific weights we currently have in stock.