Potosi, Bolivia, cob 2 reales, Philip III, assayer not visible, Grade 3. KM-8. 4.36 grams. Broad flan but thin from corrosion, with nice full shield and discernible cross, darkly toned. With Fisher tag and certificate #189900. Recovered from: Atocha, sunk in 1622 west of Key West, Florida
Estimate: $300-450