Watch List notes:

Potosi, Bolivia, cob 8 reales, 1617M, Grade 3. 21.65 grams. Bold full assayer and 100% full date, full but corroded shield and cross, some edge loss, typically silvery. With Fisher certificate #215381. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $300 - 450