These 400 oz gold bars are the same that gold bars are held and traded by the world's central banks. The LBMA Approved 12.5kg (400oz) gold bar is brand new and has a purity of 99.99% and is therefore 24 carat gold. This means, they are a time-honored way to help guarantee That your investment is safe and easily transferable. Please note every Good Delivery bar is unique and cast individually, thus they can vary in weight (typically within +-2%). You will only pay for the exact weight of the bar you receive + premium. We only offer gold bars that are stamped with hallmarks that are Recognized worldwide to Ensure Their liquidity.