Watch List notes:

Potosi, Bolivia, cob 8 reales, 1656 E, PH at top. S-P37a; KM-21; Cal-1513. 24.65 grams. Bold waves and full pillars, full cross with weak center, two dates and mintmarks and assayers, light surface corrosion, darkly toned in crevices. With photo-certificate from the salvors. From: "Jupiter Wreck" (San Miguel Arcangel), sunk in 1659 off the east coast of Florida
($200-300)