Potosi, Bolivia, cob 2 reales, Philip II, assayer not visible (style of 3rd-period B), Grade 2. S-P10; KM-3.2; CT-509. 4.91 grams. Good full cross, full but corroded shield, toned in crevices. With Fisher photo-certificate #166758. Atocha, sunk in 1622 west of Key West, Florida
Estimate: $400-600