This Rogues Island Mint Pura Vida Double Sided Colorized 1 oz .999 Silver Bar comes with a Certificate of Authenticity. The bar is made of high-quality silver with a fineness of 0.999 and weighs 1 oz. The design features a double-sided colorized bar with a unique shape that makes it stand out from other bars. The bar is produced in the United States by Rogues Island Mint, a trusted brand in the industry. This item is perfect for collectors and investors alike who are looking for a high-quality silver bar with a unique design.