The 5 Troy oz Buffalo. 999 Fine Silver Bar is a prestigious investment opportunity offered by SilverTowne Mint. This uncirculated bar is made of silver with a metal content of 5 oz and a fineness of 0.999. Sealed for authenticity and protection, this bar features a business strike type and is a valuable addition to any precious metal collection. The American-made bar showcases a classic design and is a perfect choice for those looking to own a piece of silver in its purest form.