Watch List notes:

Potosi, Bolivia, cob 8 reales, 1651E, Latin 5, with crowned-•F• (four dots) countermark on shield. S-P36; KM-19b; CT-511. 27.60 grams. Bold full date, full shield and cross, nearly full countermark, much legend, no corrosion but some flatness, toned in crevices. From the Maravillas Research Collection of Countermarked Potosi Cobs, with Marex certificate and tag #1746. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island ($350-500)