Watch List notes:

Potosi, Bolivia, cob 8 reales, 1651E, Latin 5, with crown-alone (common variety) countermark on shield. S-P36; KM-19b; CT-511. 21.76 grams. Broad flan but thin from corrosion (especially on cross side), full countermark, clear date, full shield and cross, uneven toning. From the Maravillas Research Collection of Countermarked Potosi Cobs, with Marex certificate and tag #0870. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island ($300-450)