Watch List notes:

Mexico City, Mexico, 4 reales, Charles-Joanna, "Early Series," assayer R at bottom between pillars, motto LVSV. Nesmith 6c; S-M7. 13.34 grams. Bold full details despite light surface corrosion and minor "horn silver," including bold legends and pillars, darkly toned on fields. Recovered from: "Golden Fleece wreck," sunk ca. 1550 in the northern Caribbean

Estimate: $600 - 900