Potosi, Bolivia, cob 8 reales, 1678E. S-P37b; KM-26; Cal-711. 20.99 grams. Choice tops of pillars with bold full denomination, decent cross, much peripheral flatness and typical corrosion, gunmetal toning all over. Recovered from: Consolacion, sunk in 1681 off Santa Clara Island, Ecuador
($175-$250)