Potosí, Bolivia, cob 8 reales, Philip III, assayer not visible, upper half of shield and quadrants of cross transposed, Grade 1. KM-10. 26.39 grams. Superb full shield and cross-lions-castles, bold denomination, nice toning, practically corrosion-free. With Fisher photo-certificate #231158. Recovered from: Atocha, sunk in 1622 west of Key West, Florida
Estimate: $400 - 600