Watch List notes:

Potosi, Bolivia, cob 2 reales, 1617(M), Grade 1. S-P19; KM-8; CT-356. 6.51 grams. Full and bold ANO D 1617 above erased border, good full cross and shield, bold king's ordinal III, thin but practically uncorroded, nicely toned on fields. Pedigreed to the Classics collection, with Fisher tag and photo-certificate #94A-270525. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $800-1200