Potosi, Bolivia, cob 8 reales, 1677 E. S-P37b; KM-26; Cal-709. 21.03 grams. Full pillars and bold waves with clear date and both mintmarks and assayers, full but corroded cross, silvery, the edges thin and sharp. With ROBCAR tag and photo-certificate #2021206. From: Consolacion, sunk in 1681 off Santa Clara Island, Ecuador
($200-300)