Watch List notes:

Mexico City, Mexico, 4 reales, Charles-Joanna, "Late Series," assayer R to left, mintmark M to right (R-M). Nesmith-74; CT-90; S-M7. 11.42 grams. Broad flan with nearly full legends, light to moderate surface corrosion, light gray toning with a few darker patches. With Sedwick certificate. Recovered from: Unidentified ca.-1554 wreck off Santo Domingo, Dominican Republic
($200-300)