The national mint of Mexico is the Casa de Moneda de Mexico. Established in 1535, it is the oldest mint in the Americas. Gold coins and bullion from Mexico have a long history in the numismatic and precious metal investment community. Among the most well known Mexican coins is the 1.2057 oz., Mexican gold 50 Peso Centenarios, the oldest pure bullion gold coin to have been produced in large quantities. First minted in 1921, the Mexican Gold Peso commemorates the centennial of Mexico’s hard won independence from Spanish colonial rule. Discover the History of the Mexican Gold Peso. Call a Gainesville Coins representative at (813) 482-9300 to discuss buying gold and silver coins from Casa de Moneda de Mexico. Gold prices and silver prices continuously updated to reflect market prices.