Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip III, assayer not visible, Grade 3. KM-10. 17.58 grams. Good full cross and shield despite moderate corrosion, brown encrustation in crevices. With Fisher tag and photo-certificate #96A-14139. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $300-450