Potosi, Bolivia, cob 2 reales, Philip II, assayer B (3rd period), Grade 2. S-P10; KM-3.2; CT-509. 4.99 grams. Bold full cross, weak full shield (lightly corroded), mostly toned. With Fisher photo-certificate #240504. Atocha, sunk in 1622 west of Key West, Florida
Estimate: $400-600