Potosi, Bolivia, cob 8 reales, 1651 (E), with crowned-dot-F-dot countermark on shield. S-P36; KM-19b; Cal-1491. 26.33 grams. Very broad flan with no corrosion but some flatness in the full shield and cross (also nearly full crown), the former with nearly full countermark (no border, two dots) and the latter slightly off-center, bold bottom half of 51 of date, nicely toned, edge-split. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island
Estimate: 300 - 450 USD