Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip II, assayer RL, Grade 1. S-P11; KM-4.2; CT-346. 12.57 grams. Broad flan with choice full shield and cross, bold P-RL (tiny letters), virtually no corrosion, deeply toned all over, Grade not mentioned on certificate. Pedigreed to the Classics collection, with Fisher tag and certificate #189906. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $750-1100