Mexico City, Mexico, 2 reales, Charles-Joanna, "Late Series," assayer O to right, mintmark oM to left (oM-O). Nesmith-109; Cal-103; S-M10; KM-12. 6.51 grams. Bold full shield with O to right but peripherally flat on that side, full pillars-and-waves with some areas of pitting, scarce as from this wreck. With generic (small) certificate from the salvor.Recovered from: Santiago, sunk in 1585 off Mozambique, east of Africa.