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, mounted in 14K gold pendant-bezel. Nesmith-50f type; S-M5; KM-18 ;CT-81. 12.52 grams total. Choice coin (AU details) with 100% full legends and inner details (also well struck), nicely toned and practically corrosion-free, mounted pillars-side out. With Sedwick certificate from 2007. Recovered from: "Golden Fleece wreck," sunk ca. 1550 in the northern Caribbean

Estimate: $750 - 1100