Lot of four Potosi, Bolivia, cob 8 reales, Philip III, assayers not visible, Grade 4. KM-10. 64.72 grams total. Moderate to heavy corrosion but with clear shields and crosses, one with no Grade listed on certificate but Grade-4 quality. With Fisher certificates #135165, 135989, 138530 and 193791. Recovered from: Atocha, sunk in 1622 west of Key West, Florida
($600-900)