Watch List notes:

Potosi, Bolivia, cob 8 reales, (1)617M, Grade 1. S-P19; KM-10; CT-129. 26.37 grams. Broad flan with good full shield and cross and much bold legend (and crown), including Y's instead of I's, 617 of date, clear P-dot-M, two minor edge-splits but practically no corrosion. From the Hebert collection, with Fisher/Miguel photo-certificate #H-535. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $500 - 750