MEXICO. Duo of 8 Reales (2 Pieces), 1787 & 1790. Mexico City Mint. Both PCGS Certified. 1) 1787-Mo FM. Charles III. PCGS Genuine--Cleaned, EF Details. KM-106.2A; Cal-1131. <p><p>2) 1790-Mo FM. Charles IV. PCGS Genuine--Cleaned, VF Details. KM-107; Cal-952. Bust of Charles III.<p><p>A nice pair of Mexican 8 Reales, spanning the final years of Charles III to the beginning of the reign of Charles IV. Both pieces are cleaned but display nice details and rather pleasing even gray surfaces.