Watch List notes:

Potosi, Bolivia, cob 8 reales, 1653E, dot-PH-dot at top. S-P37a; KM-21; CT-437. 25.15 grams. Solid flan but with patches of black "horn silver" on lightly corroded surfaces, full pillars-and-waves and cross-lions-castles, three dates and assayers. Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador

Estimate: $125 - 200