Potosi, Bolivia, cob 8 reales, 1677 E. S-P37b; KM-26; Cal-709. 19.65 grams. Good full cross and full pillars-and-waves despite corrosion, three dates and mintmarks, toned in crevices. With original ROBCAR tag and photo-certificate M090241. From: Consolacion, sunk in 1681 off Santa Clara Island, Ecuador
($300-450)