Watch List notes:

Mexico City, Mexico, 4 reales, Charles-Joanna, "Late Series," assayer A to right, mintmark M to left. Nesmith-58; S-M6; KM-18 ;CT-79. 12.06 grams. Broad, round flan with full details but lightly corroded (XF overall), well-centered strike with full legends, spotty toning. Recovered from: Unidentified ca.-1554 wreck off Santo Domingo, Dominican Republic

Estimate: $200 - 300