Mexico City, Mexico, cob 8 reales, 162? D. S-M18a; KM-45. 25.02 grams. Smallish flan with traces of surface corrosion, nearly full shield and cross, curious denomination rendered as o over o, clear penultimate digit Z (2) of date but last digit indiscernible. Recovered from: "Lucayan Beach Wreck," sunk ca. 1628 off Grand Bahama Island
Estimate: 200 - 300 USD