Watch List notes:

Potosi, Bolivia, cob 8 reales, 1619(T), Grade 1. S-P21; KM-10; CT-133. 26.57 grams. Somewhat crude strike (doubled) on an oblong flan of uneven thickness, the cross and shield full nonetheless and with toning in crevices. With Fisher tag and certificate #211812 (Grade not listed on certificate). Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $600-900