Watch List notes:

Three-coin clump of two Potosi, Bolivia, cob 8 reales (one 1653 E) and one cob 4 reales. 61.71 grams total. A tight sandwich of solid coins, the top one showing full pillars-and-waves with clear date 53, patches of black and green encrustation and oxidation here and there. With photo-certificate. From: "Jupiter Wreck" (San Miguel Arcangel), sunk in 1659 off the east coast of Florida
($400-600)