Mexico City, Mexico, cob 8 reales, 1622/1 D. S-M18a; KM-45; Cal-1297. 26.56 grams. Bottoms of both 2's visible (overdate assumed), full oMD and shield and cross, typically uneven flan (a bit small in diameter) with touch of corrosion at edge. Recovered from: "Lucayan Beach Wreck," sunk ca. 1628 off Grand Bahama Island
Estimate: 250 - 375 USD