Watch List notes:

Potosi, Bolivia, cob 8 reales, (1)617(M), Grade 2. S-P19; KM-10; CT-129. 26.57 grams. Bold full cross with clear date, full but off-center shield, parts of edge crude (as made) but no corrosion, clearly Grade-1 quality. With Fisher certificate #106759. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $500 - 750