Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip II, assayer A, Grade 1. S-P11; KM-4.2; CT-346. 12.65 grams. Bold and well-detailed full shield with full P-A and denomination o-iiii, full but corroded cross, nicely toned fields. Pedigreed to the Classics collection, with Fisher tag and photo-certificate #96A-270444. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $750-1100