Obverse: Eagle perched on a prickly pear cactus devouring a snake, olive and oak wreath at bottom. State name around REPUBLICA MEXICANA • (Mexican Republic).
Reverse: Radiant phrygian cap with motto LIBERTAD (Liberty). At bottom, face value ★½R (half real), mintmark • Mͦ • (Mexico City), date 1824, engravers • J • M • (Jose Garcia Anzaldo and Manuel Ruiz Tejeda), silver patron 10D. 20G.s