Watch List notes:

Potosi, Bolivia, cob 8 reales, 1650O (with dots between digits), with crowned-dot-F-dot countermark on shield, encapsulated NGC genuine / La Capitana Shipwreck. S-P35; KM-unl (19b for type). Broad flan, solid but weakly struck and lightly corroded (also some doubling), still with two full assayers and most of countermark. Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador
($350-500)