Potosi, Bolivia, cob 8 reales, 1621T, Grade 2, certificate missing. S-P21; KM-10. 24.88 grams. Roundish flan with no corrosion (but underweight), full shield and cross, small dark patch and edge-crack. With Fisher/Miguel tag #V-1002 (certificate missing). Recovered from: Atocha, sunk in 1622 west of Key West, Florida ($250-375)