Potosi, Bolivia, cob 8 reales, Philip II, assayer B (5th period), border of xs on reverse only, Grade 1. S-P14; KM-5.5; Cal-672. 26.28 grams. Choice full shield side with bold P-B and denomination o-VIII, full cross with bold border of xs, centers a bit weak but only minimally corroded, no toning. With original Fisher tag and certificate 85A-100433, pedigreed to the J.P. Silberman Estate.Recovered from: Atocha, sunk in 1622 west of Key West, Florida.