Watch List notes:

Mexico City, Mexico, 4 reales, Charles-Joanna, "Late Series," assayer G to right, mintmark M to left (M-G). Nesmith 50e; S-M5; CT-81. 12.86 grams. Broad flan with full details, minimal surface corrosion (AU), uneven toning. Recovered from: Unidentified ca.-1554 wreck off Santo Domingo, Dominican Republic
(300 - 450 USD)