Obverse: depicts the coat of arms of Mexico – a golden eagle standing on a cactus and devouring a rattlesnake. At the base of the cactus are two branches: an oak (encino) branch and a laurel branch. The country name ESTADOS UNIDOS MEXICANOS appears in a semicircle above, with the denomination and year UN PESO 1966 at the bottom.
Reverse: portrait of Mexican independence hero José María Morelos facing right. To the left of the portrait is the mintmark Mo (Mexico City Mint). The coin features a decorative toothed border around the rim.
About the coin: this is a standard circulation coin of Mexico, minted between 1957 and 1967. It is made of billon alloy containing about 10% silver, with the remainder composed of copper, nickel, and zinc. The coin weighs 16 g and has a diameter of 34.5 mm. The edge bears the inscription INDEPENDENCIA Y LIBERTAD (“Independence and Liberty”). The 1 peso coin featuring José Morelos is one of the most iconic Mexican coins of the 20th century and is appreciated by collectors for its historical significance and symbolism.