Potosi, Bolivia, cob 8 reales, Philip III, assayer Q, Grade-2 quality but Grade 3 on certificate. S-P17; KM-10; CT-124. 24.16 grams. Broad, solid flan with full cross, full but doubled shield with clear P-Q, darkly toned and only lightly surface-corroded. With Fisher photo-certificate #M-82-32. Recovered from: Santa Margarita, sunk in 1622 west of Key West, Florida (Estimate: $200 - 300)