Watch List notes:

Potosi, Bolivia, cob 8 reales, 1618PAL (rare), Grade 3. 19.62 grams. Bold full date, weak but certain assayer, good full shield and cross despite surface corrosion all over. With Fisher certificate #215418. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $400 - 600