MEXICO. 8 Reales, 1778-Mo FF. Mexico City Mint. Charles III. NGC AU-53. KM-106.2; FC-60a; Yonaka-M8-78a; Cal-1117. This handsome and moderately worn example exhibits a bold strike with much remaining luster in the protected areas. The surfaces display mottled gray patina with areas of richer coloration throughout. A pleasant example of the type with a nearly complete button.