Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip III, assayer Q, Grade 3. S-P17; KM-10; Cal-916. 20.23 grams. Very silvery and moderately corroded, with most of shield and cross bold, weak but certain assayer, two dark spots near center of shield. With original Fisher tag and certificate 86A-133653, pedigreed to the J.P. Silberman Estate.Recovered from: Atocha, sunk in 1622 west of Key West, Florida.

Estimate: $500 - $750