Watch List notes:

Mexico City, Mexico, cob 8 reales, 1640P. S-M19; KM-45; CT-336. 26.36 grams. Full date and bold full oM, most of shield, full and well-centered cross, toned, much flatness but minimal corrosion. With generic certificate from the salvagers. Recovered from: Concepcion, sunk in 1641 off Hispaniola

Estimate: $250-375