Potosi, Bolivia, cob 8 reales, Philip III, assayer T, Grade 1.S-P21; KM-10; Cal-Type 165.25.24 grams.Solid and uncorroded with full shield and (doubled) cross, bold assayer T, nicely toned (a few dark spots).With original Fisher photo-certificate #7360. From: Santa Margarita, sunk in 1622 west of Key West, Florida
($600-900)