Watch List notes:

Potosi, Bolivia, cob 8 reales, 1651O, Latin 5, with crowned-L countermark on cross. S-P35; KM-19b; CT-510. 28.19 grams. Full date, choice and uncorroded but with edge-splits, the crown especially nice and well detailed, bold partial countermark, curious copper color in places. From the Maravillas Research Collection of Countermarked Potosi Cobs, with Marex certificate and tag #0063. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island ($500-750)