Watch List notes:

Potosi, Bolivia, cob 8 reales, 1617M, denomination O-III-V, Grade 1. S-P19; KM-10; CT-129. 26.69 grams. Bold full date, full but partially flat shield and cross-and-tressure, full P-M and error denomination O-III-V, small edge-split, silvery surfaces but no corrosion. With Fisher tag and certificate #213893 (Grade not listed on certificate). Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $1000-1500