Watch List notes:

Potosi, Bolivia, cob 8 reales, 1680 V. S-P39; KM-26; Cal-717. 23.56 grams. Very broad flan (albeit thin from corrosion) with exceptional details including 100% full and bold pillars-and-waves and cross-lions-castles, three full dates and mintmarks and assayers, somewhat darkly gray-toned all over. Recovered from: Association, sunk in 1707 off the Isles of Scilly, southwest of England.

Estimate: $250 - $375