Watch List notes:

Mexico City, Mexico, cob 4 reales, Philip II assayer O below mintmark oM to left, denomination o-IIII to right. S-M11; KM-36; Cal-505. 13.40 grams. Choice broad flan with very sharp and well-struck interior details and most of legends including a full PHILIPPVS:II:, attractively toned and virtually corrosion-free. With generic (small) certificate from the salvor.Recovered from: Santiago, sunk in 1585 off Mozambique, east of Africa.

Estimate: $350 - $500