Watch List notes:

Potosi, Bolivia, cob 8 reales, 1651(O or E), with crowned-? countermark on shield. KM-19b. 19.57 grams. Bold full date, full but doubled cross, corroded shield with most of countermark (just the crown), lightly toned, edge-splits. With MAREX tag #91-8R-1003. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island
($250-375)