Watch List notes:

Mexico City, Mexico, cob 8 reales, Philip IV, assayer P.S-M19; KM-45; Cal-Type 319.26.88 grams.Roundish flan with bold P and denomination 8 (actually oo vertically) outside weak but uncorroded shield, cross full but weak and with minor surface corrosion, toning in crevices. From: Concepcion, sunk in 1641 off Hispaniola
($175-250)