Watch List notes:

Mexico City, Mexico, 4 reales, Charles-Joanna, "Late Series," assayer R to left, mintmark M to right (R-M), rare, NGC AU details / saltwater damage / Golden Fleece (Shipwreck Label). Nesmith-74; Cal-134; S-M7; KM-18. 12.38 grams. Nearly black in color but with full details as with only very light surface corrosion, the somewhat rare (for the Golden Fleece wreck) assayer R to left very clear, certainly a better specimen from this shipwreck. Recovered from: "Golden Fleece wreck," sunk ca. 1550 in the northern Caribbean.

Estimate: $700 - $1000