Coat of arms. With legend at top and oak and laurel wreath at bottom.
Obverse script
Latin
Obverse lettering
ESTADOS
UNIDOS MEXICANOS (Translation: United Mexican States)
Reverse description
In center, from right to left, Pastor Rouaix (Constitutional Deputy), Venustiano Carranza (1st Chief of the Ejército Constitucionalista), Francisco J. Múgica and Heriberto Jara (Constitutional Deputies). With the original cover from 1917 of the Political Constitution of the United States of Mexico. With mint mark at right. On outer ring, the signing date, and the names aforementioned. Around the previous, at top face value, and in semi-circles the commemorative dates and legend.
Reverse script
Latin
Reverse lettering
$20
CENTENARIO DE LA CONSTITUCIÓN POLÍTICA DE LOS ESTADOS UNIDOS
MEXICANOS
5 DE FEBRERO
Mo
PASTOR ROUAIX, VENUSTIANO CARRANZA, HERIBERTO JARA y FRANCISCO J.
MÚGICA
1917-2017 (Translation: 20 Pesos Mexico City Mint February 5th (names) Centennial of the Political Constitution of the United States of Mexico)
Edge
Segmented reeding
Mint
Mo Mexican Mint (Casa de Moneda de México), Mexico, Mexico (1535-date)