Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip III, assayer Q, Grade 1. S-P17; KM-10; Cal-916. 26.45 grams. Choice and uncorroded, with bold full P-Q and denomination o-VIII, full shield and cross, hint of toning in crevices. With original Fisher tag and certificate 85A-19152, pedigreed to the J.P. Silberman Estate.Recovered from: Atocha, sunk in 1622 west of Key West, Florida.

Estimate: $1250 - $2000