5 Centavos

This series launched under the sweeping monetary reform of 1905, which pegged the Mexican peso to gold and finally abandoned the old silver standard that had defined the country's coinage since colonial times. Finance Minister José Yves Limantour engineered the overhaul as part of the Díaz regime's modernization agenda — nickel for small denominations, silver rationalized upward.

Production ran straight into the Revolution. Issues after 1910 circulated into increasingly unstable conditions, and the series was effectively killed by the monetary chaos that followed Díaz's 1911 exile.