Watch List notes:

Lot of five Mexico City, Mexico, cob 4 reales, Philip IV, assayer P (where visible).S-M19; KM-38.64.10 grams total.Darkly toned pieces with minor saltwater corrosion (some less so than others) but some strong design elements visible.From: Concepcion, sunk in 1641 off Hispaniola
($500-750)