Watch List notes:

Mexico City, Mexico, cob 4 reales, Philip II, assayer O below mintmark oM to left. S-M11; KM-36; CT-335. 12.28 grams. Choice full cross and shield (the latter slightly doubled), much legend, minimal corrosion, toned all over, VF or so. Recovered from: Santiago, sunk in 1585 off the Bassas da India atoll between Mozambique and Madagascar (east of Africa)
(200 - 300 USD)