Watch List notes:

Mexico City, Mexico, cob 8 reales, Philip IV, assayer P.S-M19; KM-45; Cal-Type 319.25.46 grams.Broad, roundish flan with bold and full oMP and clear denomination (made of two vertical o's), full but weaker shield and cross, toned and with light surface corrosion, peripheral flatness. From: Concepcion, sunk in 1641 off Hispaniola
($175-250)