Watch List notes:

Potosi, Bolivia, cob 8 reales, 1662E.S-P37a; KM-21; Cal-1526.19.25 grams.Off-center pillars-and-waves, heavily corroded cross, but with three dates (somewhat scarce) and clear king's ordinal IIII, toned.With certificate. From: Consolacion, sunk in 1681 off Santa Clara Island, Ecuador
($200-300)