Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip III, assayer not visible, Grade 3. KM-9. 6.42 grams. Well-detailed full shield and cross despite moderate to heavy corrosion, with nicely contrasting toning in crevices. With Fisher tag and certificate #138908. Recovered from: Atocha, sunk in 1622 west of Key West, Florida
($300-450)