Casa de Moneda de Mexico (Mexico City Mint) is the oldest mint in North America—established in 1535. Its coins were legal tender in the United State up until 1857! The most popular coins issued by Casa de Moneda de Mexico are the 1 oz. pure silver Libertads—issued each year beginning in 1982. Libertads are not only a store of wealth in precious metal, but they are among the most beautiful coins ever made! Modern Coin Wholesale is pleased to offer Libertads issued from 1982-2013 certified by PCGS (Professional Coin Grading Service) and NGC (Numismatic Guaranty Corporation)--plus raw coins. . Modern Coin Wholesale coin experts will continue to bring you new coins from the venerable Mexico City Mint, so check back often for the best selection and prices!