Potosi, Bolivia, cob 8 reales, Philip III, assayer not visible, Grade 2. KM-10. 24.70 grams. Full but weak shield and cross due to flatness and light surface corrosion, full king's ordinal III in legend. With Fisher certificate #154304. Recovered from: Atocha, sunk in 1622 west of Key West, Florida (Estimate: $300 - 450)