Watch List notes:

Potosi, Bolivia, cob 4 reales, 1658E. S-P37a; KM-18; Cal-1125. 10.43 grams. Off-center strike on a cracked flan with thinning from corrosion but with clear date and nice toning. Recovered from: "Jupiter Wreck" (San Miguel el Arcangel), sunk in 1659 off the east coast of Florida
($125-$200)