BOLIVIA, Potosí, cob 8 reales, 1675 E. S-P37b; KM-26; Cal-706. 25.01 grams. Much less corroded than usual but with flat areas instead, the cross full and well-centered, one full pillar but the other doubled, bold POTOS(I), toned in crevices. With certificate. Recovered from: Consolación, sunk in 1681 off Santa Clara Island, Ecuador
Estimate: $250 - $375