The 1958 Chilean 50 Pesos gold coin is a specific coin issued by Chile. It is not a Mexican coin, as sometimes confused with the Mexican 50 Peso gold coin. The Chilean 50 Pesos gold coin, while not as widely known as the Mexican 50 Peso, is a gold bullion coin with a gold content of 0.0417 troy ounces (1.297 grams). The coin has a purity of 0.900 fine gold, meaning it contains 90% pure gold and 10% copper.