Watch List notes:

Potosi, Bolivia, cob 8 reales, 1618(T), Grade 1. S-P21; KM-10. 24.51 grams. Good full shield and nearly full cross, full 618 of date, light to moderate corrosion, Grade-2 quality overall. With Fisher certificate #163098. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $500 - 750