Watch List notes:

Potosi, Bolivia, cob 2 reales, Philip III, assayer Q, Grade 1. S-P17; KM-8; CT-353. 6.19 grams. Full cross and shield with light surface corrosion and some doubling, clear assayer. With Fisher tag and certificate #131953. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $700-1000