Mexico City, Mexico, bust 8 reales, Charles III, 1786FM. KM-106.2a; CT-939. 24.09 grams. XF+ details with light surface corrosion all over, nicely toned, heavy adjustment marks on bust. With generic certificate from the salvagers. Hartwell, sunk in 1787 off the Cape Verde Islands, west of Africa
Estimate: $125-200