Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip III, assayer not visible, Grade 4. KM-10. 15.27 grams. Choice full cross despite heavy corrosion, brownish encrustation all over. With Fisher tag and certificate #139282. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $200-300