Watch List notes:

Potosi, Bolivia, cob 8 reales, 1639(T or TR). KM-19a. 24.08 grams. Solid flan with just surface corrosion, full shield and nearly full cross with bold tressure, most of 39 of date visible, lightly toned all over. With generic certificate from the salvagers. Recovered from: Concepcion, sunk in 1641 off Hispaniola

Estimate: $250-375