Watch List notes:

Potosi, Bolivia, cob 8 reales, (1650-1) O, with crowned-L countermark on cross, NGC genuine / La Capitana Shipwreck. S-P35; KM-19b; Cal-Type 327. Broad, thin flan (probably underweight from corrosion, but weight not stated on label) with choice full shield and cross, the latter with bold countermark (full crown and most of L) at bottom, full P-O and 8-O on obverse with dots above and below in addition to one between P and O, large edge-crack. From: Capitana, sunk in 1654 off Chanduy, Ecuador
($300-450)