Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip III, assayer T, quadrants of cross transposed, Grade 1, ex-Christie's. S-P21; KM-10. 26.41 grams. Superb full shield and cross, bold assayer, nicely toned around details, no corrosion. With Fisher tag and certificate #187297, pedigreed to lot 268 of the original Christie's (New York) Atocha auction of June 1988. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $600-900