2018 2 oz Mexico Libertad. 999 Silver Proof Coin. 999 Fine Silver Bullion coin commemorates Mexican Independence and depicts the lady of Winged Victory holding broken chains of bondage and raising a laurel wreath high in triumphant celebration of freedom. Purity, content, mintage year and mint mark are also stamped on the reverse. 2018 Mexico 2 Onzas. 999 Silver Libertad Proof Coin – Mintage 5,000. A Sensational 2 oz Proof Libertad by the Mexican Mint! COIN IN ORIGINAL CAPSULE.