Watch List notes:

Potosi, Bolivia, cob 8 reales, (1)650(O) (variety with modern 5 and dots between digits), with crowned-A countermark (very rare) on shield. S-P35; KM-unl (19b for type). 17.89 grams. Very bold full countermark, nearly full shield and cross, bold date, nicely toned but with much edge-loss from corrosion. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island
($400-600)