Watch List notes:

Potosi, Bolivia, cob 4 reales, 1658 E. S-P37a; KM-18; Cal-1125. 11.92 grams. Full pillars and nearly full cross despite weak strike and corrosion, two dates, three mintmarks, uneven dark toning, edge-crack. From: "Jupiter Wreck" (San Miguel Arcangel), sunk in 1659 off the east coast of Florida
($150-225)