Potosi, Bolivia, cob 4 reales, Philip III, assayer not visible, Grade 3. KM-9. 10.20 grams. Full but doubled shield, nearly full cross, toned, moderate corrosion, orange encrustation in pits. With Fisher tag and photo-certificate #133594.Recovered from: Atocha, sunk in 1622 west of Key West, Florida
($300-$450)