Watch List notes:

Potosi, Bolivia, cob 8 reales, 1649O/Z (rare), with crowned-L countermark on cross. S-P35; KM-19b; CT-507. 25.87 grams. Great full date and countermark, full P-O/Z and denomination 8 made out of two o's, toned fields, minimal corrosion. From the Maravillas Research Collection of Countermarked Potosi Cobs, with Marex certificate and tag #0077. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island ($600-900)