Watch List notes:

MEXICO, Republic (Second). 1867-present. 20 Pesos (Gold, 27 mm, 16.64 g, 6 h), Ciudad de México (Mexico City), dated 1959, but a later restrike. ESTADOS UNIDOS MEXICANOS / 1959 Eagle standing to left on cactus, holding snake in its beak. Rev. VEINTE PESOS / ✱ 15 Gr. ORO PURO ✱ Aztec Calendar. Friedberg 171R. KM 478. Tiny marks and edge nicks, otherwise, good extremely fine.