Watch List notes:

Potosi, Bolivia, cob 1 real, 1659E. S-P37a; KM-13; CT-1059. 2.74 grams. Excellent full cross, full but slightly doubled pillars-and-waves, NO corrosion, toned on fields. Recovered from: Consolacion, sunk in 1681 off Isla Santa Clara, Ecuador

Estimate: $125