Watch List notes:

Potosi, Bolivia, cob 8 reales, 1651O, with crowned-•F• countermark on shield. S-P35; KM-19b; CT-510. 24.00 grams. Broad flan with 100% full king's name and clear ordinal and date in legend, two assayers, full shield and cross and crown, nice toning, slightly thin from corrosion. Pedigreed to the Rob McClung collection. Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador

Estimate: $250