Watch List notes:

Mexico City, Mexico, 4 reales, Charles-Joanna, "Early Series," assayer P to right, mintmark M to left, left-leaning panel. Nesmith 26 for type; S-M4. 13.15 grams. Localized surface corrosion at top of pillars side only, the rest pristine (XF details), including the entire shield side, steel-gray toning all over. Recovered from: "Golden Fleece wreck," sunk ca. 1550 in the northern Caribbean

Estimate: $500 - 750