Watch List notes:

Mexico City, Mexico, cob 4 reales, Philip II, assayer not visible. 6.96 grams. Nice full shield and cross on broad flan despite moderate corrosion and thinning, toned on fields. Pedigreed to the David Horner collection. Recovered from: San Martin, sunk in 1618 off the east coast of Florida

Estimate: $100 - 150