This 2022 3 oz Silver Reverse Proof Libertad Coin Bar celebrates the 40th anniversary of the Mexican Mint. The coin is made of 0.999 fine silver and has not been graded. It features a stunning reverse proof strike type and is uncertified. The coin is a great addition to any collection and is perfect for those interested in Mexican history and culture. The Mexican Libertad is a beautiful coin that is sure to impress anyone who sees it.