Watch List notes:

Mexico City, Mexico, cob 4 reales, Philip IV, assayer not visible, ex-Spink. KM-38. 13.37 grams. Deeply toned and corrosion-free, with good full shield and cross, small edge-split. With original Spink clamshell box and small certificate from the 1960s. From: "Lucayan Beach wreck," sunk ca. 1628 off Grand Bahama Island
($200-300)