Watch List notes:

Potosi, Bolivia, cob 8 reales, 1649 (O), with crowned-F (two dots) countermark on shield. S-P35; KM-19b; Cal-1487. 27.41 grams. Solid and uncorroded, with bold full shield and cross, bold denomination 8, bottom of king's ordinal IIII, most of countermark, clear 16 and 9 of date (the 4 lost to doubling). From: Capitana, sunk in 1654 off Chanduy, Ecuador
($250-375)