Watch List notes:

Potosi, Bolivia, cob 8 reales, (16)49O, with unidentified countermark on cross. S-P35; KM-19b; CT-506. 20.40 grams. Bold date and cross and P-O but rest of coin thin and corroded, nicely toned. Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador

Estimate: $125 - 200