Potosi, Bolivia, cob 4 reales, Philip II, assayer B (3rd period), Grade 1, certificate missing. S-P10; KM-4.2. 13.18 grams. Choice full cross, full shield with minimal corrosion at bottom and nearly full crown above, toning in crevices. With Fisher/Miguel tag #V-577 (certificate missing). Recovered from: Atocha, sunk in 1622 west of Key West, Florida ($400-600)