Watch List notes:

Potosi, Bolivia, cob 4 reales, 1680V. S-P39; KM-25; CT-507. 6.56 grams. Very bold full pillars, weaker cross, two dates and mintmarks, three assayers, nicely toned but rather thin from corrosion. With HRC photo-certificate #5176. Recovered from: Consolacion, sunk in 1681 off Santa Clara Island, Ecuador
(125 - 200 USD)