Depicts the seal of the United Mexican States.

The Seal of the United Mexican States is a modified version of the national coat of arms, with the addition of the full official name of the country Estados Unidos Mexicanos, in a semi-circular accommodation in the upper part of the seal. Current and past Mexican peso coinage have had the seal engraved on the obverse of all denominations.

The coat of arms depicts a Mexican golden eagle perched on a prickly pear cactus devouring a rattlesnake. To the people of Tenochtitlan this would have strong religious connotations, but to the Europeans, it would come to symbolize the triumph of good over evil (with the snake sometimes representative of the serpent in the Garden of Eden).

Portrait of Francisco I. Madero facing right.

Francisco Ignacio Madero González (1873–1913) was a Mexican statesman, writer, and revolutionary who served as the 33rd president of Mexico from 1911 until his assassination in 1913. He was an advocate for social justice and democracy. Madero was notable for having challenged Mexican President Porfirio Díaz for the presidency in 1910 and being instrumental in sparking the Mexican Revolution.