Mexico City, Mexico, cob 8 reales, Philip IV, assayer not visible. S-M18a; KM-45. 26.46 grams. Fat urn-shaped flan (unevenly thick) with superb full cross, nearly full shield, trace of date (1624?), no corrosion. Recovered from: "Lucayan Beach Wreck," sunk ca. 1628 off Grand Bahama Island
Estimate: 200 - 300 USD