Design features

Design features

Type C1
Diameter 30 mm
Shape Dodecagon (12-sided)
Weight 12.67 grams

Interrupted milled


In the center field, the national shield with the inscription "ESTADOS UNIDOS MEXICANOS" (UNITED MEXICAN STATES) along the top of the coin.


In the center field of the coin, the Military Academy’s coat of arms; on the left side, the microtext “POR EL HONOR DE MÉXICO” (FOR THE HONOR OF MEXICO), and, on the right side, the latent image "20". The legend reads "SECRETARÍA DE LA DEFENSA NACIONAL BICENTENARIO DEL HEROICO COLEGIO MILITAR 1823-2023" (THE MEXICAN MINISTRY OF NATIONAL DEFENSE: BICENTENNIAL OF MEXICO’S MILITARY ACADEMY 1823-2023) in the upper edge. On the right side, the mark of the Mexican mint "M°" appears and, on the exergue, the denomination "$20" with the coats of arms of the Cavalry, Infantry, Artillery, Armored Weapons and Sappers, and the Military Police and Quartermaster services.


1. Center of the coin: copper-nickel-zinc alloy.

  • Content: 65% (sixty five percent) copper; 10% (ten percent) nickel; and 25% (twenty-five percent) zinc.
  • Weight: 5.51 grams.

2. Peripheral ring of the coin: bronze-aluminum alloy.

  • Content: 92% (ninety two percent) copper; 6% (six percent) aluminum; and 2% (two percent) nickel.
  • Weight: 7.16 grams.
In circulation as of October 11, 2023.

Background information