Potosi, Bolivia, cob 8 reales, Philip III, assayer T, Grade 1.S-P21; KM-10; Cal-Type 165.25.55 grams.Bold assayer T, full but lightly surface-corroded shield and cross, silvery, solid overall.With Fisher tag and photo-certificate #85A-230751. From: Atocha, sunk in 1622 west of Key West, Florida
($700-1000)