20 Pesos Constitution Centennial, Mexico

In center, from right to left, Pastor Rouaix (Constitutional Deputy), Venustiano Carranza (1st Chief of the Ejrcito Constitucionalista), Francisco J. Mgica 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.

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Coat of arms. With legend at top and oak and laurel wreath at bottom.

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Interrupted milled 8 milled segments (consisting of 14 lines each) separated by 8 smooth segments.