Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip III, assayer Q, Grade 3. S-P17; KM-10; CT-124. 19.03 gams. Bold full P-Q, full shield and cross, moderately corroded all over with dark encrustation on cross. With Fisher tag and photo-certificate #140558. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $300-450