1780 2 Reales Silver Coin from Mexico, Bust of Carolus III, on obverse crowned shield _x000D_between two pillars, a€?Ma€ with a small a€?oa€ above it is the mint mark indicating the coin was made in Mexico City and a€?F.F.a€ are the initials of the engravers, 90 % silver, _x000D_scarce colonial Mexico portrait of Carolus III