The A to Z Guide of 50 Peso Centenario When it was first introduced in 2016, the 50 peso centenario was intended to be a limited edition coin with a mintage of just 50,000 pieces. However, due to popular demand, the Mexican Mint decided to strike an additional 50,000 coins in 2017. This made the 50 peso centenario the first Mexican coin to ever have a second year of production.   The 50...