Watch List notes:

Mexico City, Mexico, cob 4 reales, 1655P. S-M19; KM-38; CT-711. 11.82 grams. Full date and oMP, most of shield and cross despite moderate surface corrosion, patchy dark sediment. With Marex certificate and tag #1295. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island ($250-375)