Watch List notes:

Potosi, Bolivia, cob 8 reales, 1650O, with crown-alone countermark on shield. 27.01 grams. Nice round flan with bold full countermark on full and well-detailed but doubled shield, full P-O and 8-O, full cross, no corrosion but some weak spots and toning. With Marex tag #91-8R-0216 and pedigreed to the David Horner collection. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island

Estimate: $250 - 375