Watch List notes:

Potosi, Bolivia, cob 8 reales, 1618 (T), Grade 1. S-P21; KM-10; Cal-925. 24.51 grams. Full 618 of date, good full shield and cross, some light corrosion, streaks of toning. With Fisher tag and certificate 85A-163098. From: Atocha, sunk in 1622 west of Key West, Florida
($1500-2250)