CoinWorldTV2008, Mexico. Proof Silver 1 Onza “Libertad” Coin.Mint Year: 2008 Reference: KM-639. Mintage: 11,000 pcs. Mint Place: Mexico (Mo) Denomination: Onza (Troy Ounze of Silver) Material: Silver (.999) Weight: 31.10gmDiameter: 40mmThe Libertad coins are silver and gold bullion coins originating from Mexico and minted by the La Casa de Moneda de México (Mexican Mint). The Me ...