5 oz MintID Buffalo 999 Fine Silver Bar (NFC Microchip Certification) Condition: Any Metal Content: 5 troy oz Purity: 999 Fine Silver Country: USA Certification: NFC Microchip In the precious metals sector, 5-ounce silver bars are a popular silver bullion item because they provide buyers with an economical option to purchase silver. New technology and popular bullion combine to provide a confirmed, safe new investment for customers in this new 5 oz MintID Buffalo .999 Fine Silver Bar. MintID’s iOS/Android mobile apps allow you to look into the bar’s cloud-based digital identity when scanning the microchip. Microchips in the bars can't be cloned, copied, or removed, making them the most secure bar on the market. IMPORTANT NOTE: Bars might have scratches, milkspots, discoloration and/or other imperfections.