Mexico City, Mexico, cob 4 reales, 1620/19 D. S-M18; KM-unl (37.2 for type); Cal-unl. 13.16 grams. Clear 6ZO of date with trace of under-digit 1 to left side of Z, very bold full mintmark, nearly full shield and cross, trace of surface corrosion, point of edge split (as made) and slightly bent. Recovered from: "Lucayan Beach Wreck," sunk ca. 1628 off Grand Bahama Island
Estimate: 200 - 300 USD