Watch List notes:

Potosi, Bolivia, cob 8 reales, 1651O, Latin 5, with crowned-•F• (two dots) countermark on shield. S-P35; KM-19b; CT-510. 26.38 grams. Choice full shield with bold countermark, full P-O and 8-O, king's ordinal IIII, also full cross but with minor surface corrosion on that side, lightly toned all over. From the Maravillas Research Collection of Countermarked Potosi Cobs, with Marex certificate and tag #0205. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island ($350-500)