Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip II, assayer not visible (style of 5th-period B, with borders of x's), Grade 2. S-P14; KM-4.3. 10.06 grams. Broad flan, thin from corrosion, well-detailed full shield and cross, small edge-split. With Fisher tag and photo-certificate #209121. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $400-600