Watch List notes:

Potosi, Bolivia, cob 1 real, 1677/6E. S-P37b; KM-23. 4.73 grams. Extra-thick flan (oversized) with no corrosion, full pillars-and-waves with clear 77/6 overdate (scarce) and 16 of second date in legend, partial third date below cross, most of king's name, two mintmarks and assayers. With ROBCAR photo-certificate #M180141. Recovered from: Consolacion, sunk in 1681 off Santa Clara Island, Ecuador
(100 - 150 USD)