2002 Mexican 1 Peso Coin Obverse: The national emblem of Mexico depicting a Mexican golden eagle perched on a prickly pear cactus devouring a snake above a half-wreath of oak and laurel below and the legend “ESTADOS UNIDOS MEXICANOS” forming the upper semicircle. Reverse: At center, the denomination $1 with the date above and the mint mark Ṁ to the right. On the outer ring, the stylized designs from the Ring of Splendor (Anillo del Resplandor) on the Aztec calendar stone (Piedra del Sol). Standard circulation coin 1996-2018 Bimetallic: aluminium-bronze center in stainless steel ring