Watch List notes:

Potosi, Bolivia, cob 8 reales, (1650-1)O, with crowned-PH countermark on shield. S-P35; KM-19b. 27.26 grams. Solid and uncorroded flan with full shield and cross (somewhat flat), full P-O, but best feature is the bold and well-detailed countermark (scarce thus). From the Maravillas Research Collection of Countermarked Potosi Cobs, with Marex certificate and tag #0023. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island ($400-600)