Watch List notes:

Potosi, Bolivia, cob 8 reales, 1651 O, with crowned-L countermark on cross. S-P35; KM-19b; Cal-1489. 25.75 grams. Choice full cross-lions-castles with 100% full and bold countermark, clear date, also full crown and shield with full P-O to left and 8-O to right, nicely toned, parts of edge thin from corrosion (interiors uncorroded). From: Capitana, sunk in 1654 off Chanduy, Ecuador
($700-1000)