Alfonso XII was the only son of Queen Isabella of Spain and Francis of Bourbon who lived to adulthood. He reigned in Spain between 1875 and 1885.

In 1873, his successor, King Amadeo I, abdicated, and the French Republic was proclaimed on the same day. In 1874 Alfonso was elected king. He officially took power in 1875, when he entered Madrid.

Under his rule, the country's economic and social crisis was resolved. Peace was created in the country, which is why his popular name became "the Peacemaker".

Alfonso died in 1885 due to a lung problem without having seen the birth of his son, who later became king under the name Alfonso XIII.

XII. The coinage of King Alfonso of Spain and King of the Philippines (1857-1885) was one of the most significant periods of Spanish coinage. In order to stabilize the kingdom's financial situation, the government established a new mint in Madrid, and new mints were established in the colonial territories, including the Philippines. In the 1870s, the Spanish crown faced significant financial difficulties. The government had to borrow heavily, and the economy went into recession. The coinage system was also outdated and the quality of the money was not adequate.XII. One of King Alfonz's first measures was to settle the financial situation. The government established a new mint in Madrid, and new mints were established in the colonial territories, including the Philippines. The revival of the Spanish and colonial mints significantly improved Spain's financial situation. The quality of money also improved, and the Spanish crown became creditworthy again. XII. During the reign of King Alfonso, the Spanish crown struck the following coins: In Spain 1 ptas, 2 ptas, 5 ptas, 10 ptas, 20 ptas, 50 ptas, 1 peseta, 2 peseta, 5 peseta, 10 peseta, 20 peseta, 50 peseta, 100 peseta .Philippines 1 centavo, 2 centavos, 5 centavos, 10 centavos, 20 centavos, 50 centavos, 1 peso, 2 pesos, 5 pesos, 10 pesos, 20 pesos, 50 pesos.Coinage of the Spanish crown XII. It continued even after the death of King Alfonso.