Watch List notes:

Mexico City, Mexico, 4 reales, Charles-Joanna, "Late Series," assayer G to right, mintmark M to left, king's name as CHAROLVS. 12.63 grams. Very broad flan with full details (100% legends), darkly toned XF+, no corrosion. From the "Golden Fleece wreck" (ca. 1550).

Estimate: $350 - 500