Reverse In the central part, the numeral: '1/8' - 1/8 real. Below it, inscriptions in a semicircle separated by dots: the Mexico City mint mark, the assayer's initial 'A', and the year of minting 1831. All this is surrounded by a wreath of long leaves, tied in the middle with a ribbon. The edge of the coin features decorative elements in the shape of dentils.
Obverse In the central part, the coat of arms of Mexico. To the left, top, and right along the rim, the country's name Republic of Mexico in Spanish: 'REPUBLICA MEXICANA.'. The edge of the coin features decorative elements in the shape of dentils.