1 oz Gold Bars These 1 oz gold bars are always crafted in pure 24k gold (at 99.99% purity) by some of the world's finest gold refiners, including the Royal Canadian Mint, PAMP Suisse and Valcambi SA. Regardless of their age or brand, these secondary market 1 oz Gold Bars are guaranteed to be recognized by international bullion dealers. The obverse and reverse designs of these ingots vary, but will often include the following information. Obverse Design Mint or brand logos Gold purity stamp representing 9999 Gold weight stamp representing 1 oz Some bars include an assayer stamp and serial number Reverse Design Varies Special Features 24k gold bar from world-renowned producer Eligible for Precious Metals RSP & IRA