Watch List notes:

Potosi, Bolivia, cob 8 reales, (1646)V, with crowned-script-G countermark on shield, extremely rare.S-P32; KM-19a; Cal-1479.16.82 grams.Full and bold assayer and countermark, each rare on its own but unprecedented together (as V coins were supposed to be melted, not countermarked), full shield and cross with VF details but silvery and thin from corrosive wear (probably from the Capitana), also with open crack in edge.
($500-1000)