Watch List notes:

Potosi, Bolivia, cob 8 reales, 1654 E, dot-PH-dot at top, denomination 8 above cross. S-P37a; KM-21; Cal-1507. 26.56 grams. Perfectly round flan with full pillars-and-waves and cross-lions-castles (both very slightly doubled), two dates, three mintmarks and assayers, darkly toned, traces of surface corrosion, rather nice for this wreck. From: "Jupiter Wreck" (San Miguel Arcangel), sunk in 1659 off the east coast of Florida
($250-375)