Watch List notes:

Potosi, Bolivia, cob 2 reales, 1619T, Grade 1. S-P21; KM-8; CT-358. 6.71 grams. Full date (certificate calls it 1618 in error), full and uncorroded but somewhat crude cross and shield, silvery surfaces. With Fisher tag and certificate #144470. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $800-1200