Watch List notes:

Potosi, Bolivia, cob 8 reales, (1)620T, Grade-1 quality but Grade 2 on the certificate. S-P21; KM-10; CT-137. 26.76 grams. Broad and somewhat oblong flan, corrosion-free and nicely toned but with minor weak spots on full shield and cross, bold 2 of date, full assayer and denomination. With Fisher certificate #219453. Recovered from: Atocha, sunk in 1622 west of Key West, Florida
($500-750)