Watch List notes:

Mexico City, Mexico, cob 8 reales, Philip IV, assayer D.S-M18a; KM-45.23.21 grams.Bold full cross and shield, the latter with pit on upper half but otherwise only mildly corroded, slightly irregular shape.With Sedwick certificate from 2007.From: "Lucayan Beach wreck," sunk ca. 1628 off Grand Bahama Island
($150-225)