Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip III, assayer not visible, 2 points (Grade 4), hand-signed certificate from 1976. KM-10. 17.95 grams. Full shield, nearly full (doubled) cross, moderate to heavy corrosion with some dark encrustation, desirable as pre-"Mother Lode" find. With original tag and hand-signed Fisher certificate #3665 from 1976 (Cape Coral Bank). Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $200-300