The 2018 Mexico Silver Libertad 1 Onza is a. 999 fine silver coin minted by the Mexican Mint. This coin features a business strike type and contains 1 oz of precious metal content. The Mexican Libertad coin is a popular choice for collectors and investors looking to add high-quality silver coins to their portfolio. With its iconic design and growing demand for silver bullion, the 2018 Mexico Silver Libertad 1 Onza is a valuable addition to any collection.