Watch List notes:

Potosi, Bolivia, cob 8 reales, (16)50O, with crowned-dot-T-dot countermark on shield.S-P35; KM-19b; Cal-1488.18.04 grams.Thin from corrosion but with very bold full countermark on full shield with clear P-O to left and 8-O to right above king's ordinal IIII, weaker and doubled cross with clear 50 of date above, two edge-splits, toned in crevices.With certificate. From: Capitana, sunk in 1654 off Chanduy, Ecuador
($350-500)