Watch List notes:

Mexico City, Mexico, cob 2 reales, Philip III, assayer not visible, pre-1607, Grade-1 quality, original certificate missing. KM-32.2. 6.78 grams. Choice details in nearly full crown and shield and cross, no corrosion at all, small edge-split. With Fisher tag #86A-132021. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $300