Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip III, assayer not visible, Grade 3. KM-9. 9.22 grams. Somewhat worn and corroded yet with clear cross and shield and decent toning. With Fisher tag and photo-certificate #147528. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $300-450