Watch List notes:

Potosi, Bolivia, cob 1 real, 1688VR, ex-Christie's. S-P40; KM-24; CT-619. 2.53 grams. Small flan (probably clipped, not corroded), with full cross and pillars and bold date, patchy dark toning, popular wreck tied to colonial New York. Pedigreed to the Christie's Feversham auction of February 1989, with original lot-tag #954. Recovered from: Feversham, sunk in 1711 off Nova Scotia, Canada

Estimate: $150