Watch List notes:

Potosi, Bolivia, cob 4 reales, (1)651O, with crowned-L countermark on cross. S-P35; KM-17b. 7.67 grams. Full countermark, bold date but large crack and thin from corrosion, clear P-O to left of doubled shield. With certificate from the salvagers. Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador
(300 - 450 USD)