Watch List notes:

Potosi, Bolivia, cob 4 reales, (1649-51)O, with crowned-•F• (4 dots variety) countermark on shield. S-P35; KM-17b. 9.91 grams. Choice full countermark, full shield and cross despite flatness and light surface corrosion, nicely toned. With original certificate from the salvagers. Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador

Estimate: $150