Watch List notes:

Potosi, Bolivia, cob 8 reales, (1)620T, Grade 2. 25.17 grams. Bold full 20 of date, full but slightly doubled shield and cross, full mintmark-assayer P+T, minor surface corrosion. With Fisher certificate #183066. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $400 - 600