Lot of three Potosi, Bolivia, cob 4 reales, Philip III, assayers not visible, Grades 3 (two) and 4 (one). KM-9. 25.55 grams total. Moderate to heavy corrosion, most of cross and shield still visible on each. With Fisher certificates #133799, 138138 and 154743. Recovered from: Atocha, sunk in 1622 west of Key West, Florida
($500-750)