2023 Mexico Libertad 1 oz Silver “Double Black” Edition with Certificate of Authenticity. Maximum mintage of only 100 coins total in this privately colorized/ennobled version of the Mexican Libertad! Contains 1 troy ounce of. 999 fine silver with a special coating of Black Ruthenium and Black Platinum. Please reach out if you have any questions! These are real coins that were privately colorized after market.