Potosi, Bolivia, cob 8 reales, Philip III, assayer not visible, Grade 1. KM-10. 25.34 grams. Full and well-detailed but slightly doubled shield and cross, full denomination, corrosion only at edge on cross side. With Fisher certificate #174487. Recovered from: Atocha, sunk in 1622 west of Key West, Florida (Estimate: $400 - 600)