Mexico City, Mexico, cob 8 reales, Philip III, assayer D, Grade 1, replacement certificate. S-M18; KM-44.3. 26.79 grams. Solid flan with minimal corrosion, full shield and cross, clear assayer and denomination, typically silvery, edge-split. With Fisher tag #159586 and replacement photo-certificate from HRC. Recovered from: Atocha, sunk in 1622 west of Key West, Florida ($350-500)