Watch List notes:

Potosi, Bolivia, cob 8 reales, 1654E, dot-PH-dot at top, denomination 8 above cross. S-P37a; KM-21; Cal-1507. 22.51 grams. Round flan with bold full pillars (somewhat doubled) with full POTOSI in legend, heavily doubled cross, lots of pitting from corrosion. Recovered from: "Jupiter Wreck" (San Miguel el Arcangel), sunk in 1659 off the east coast of Florida
($200-$300)