Potosi, Bolivia, cob 4 reales, Philip III, assayer T, quadrants of cross transposed, Grade 3. S-P21; KM-9. 13.19 grams. Small thick flan with good full shield and cross, toned, practically no corrosion and full weight. With Fisher tag and photo-certificate 85A-230311 (laminated). From: Atocha, sunk in 1622 west of Key West, Florida
($400-600)