Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip III, assayer T, Grade 3. S-P21; KM-10. 19.48 grams. Full but corroded cross, nearly full shield with bold P+T to left, lightly toned. With original Fisher tag and certificate 85A-145704, pedigreed to the J.P. Silberman Estate.Recovered from: Atocha, sunk in 1622 west of Key West, Florida.

Estimate: $500 - $750