Currently available from Lone Star Coins, the Mexican 50 Peso gold coin, also known as the "Centenario," is one of the world's most beautiful large-format gold coins. First minted in 1921 to commemorate Mexico's 100th anniversary of independence, these coins contain 37.5 grams of .900 fine gold (21.6-karat). Our coins are offered in random years based on our current inventory. Specifications:50 Peso: Contains 1.2057 troy ounces of pure gold (37.5 grams) Note: Smaller denominations (2, 2.5, 5, 10, and 20 Peso) are available for purchase in-store only. Each coin from Lone Star Coins arrives in protective packaging. These historic coins offer both numismatic appeal and gold content, making them popular with collectors and investors alike.