Watch List notes:

Potosi, Bolivia, cob 4 reales, 1652E Transitional, McLean Type I or II, rare. 8.90 grams. Full pillars with bold "4 over 4" but cross side totally corroded away, patchy toning here and there. Pedigreed to the David Horner collection. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island

Estimate: $250 - 375