1984 Mexico 1 Onza Silver Libertad MS68. What a beauty and I hate to part with it! Check out all my other listings! The product is a 1984 Mexican 1 Onza Silver Libertad coin graded as MS68. This coin is composed of 0.999 silver and has a precious metal content of 1 oz. It is uncirculated and has been struck as a business strike by the Mexican Mint. The coin is certified by ICG and originates from Mexico, making it a valuable addition to any collection of silver bullion coins.