Watch List notes:

Mexico City, Mexico, 4 reales, Charles-Joanna, "Late Series," assayer L to right, mintmark M to left. 13.25 grams. Solid and well-struck specimen on a smallish flan, with nearly full legends and XF details, minimal surface corrosion on pillars side only, nicely toned all over. Pedigreed to the Thomas Gray collection and formerly displayed at the ANA Money Museum's "Treasures of the Deep" exhibit (2014-15), with Sedwick photo-certificate from 2008. Recovered from: "Golden Fleece wreck," sunk ca. 1550 in the northern Caribbean

Estimate: $400 - 600