Mexico City, Mexico, cob 8 reales, Philip III, assayer not visible, Grade 1. 26.74 grams. Unusually round and solid flan (minimal corrosion, on part of edge only), with good but incomplete shield and cross due to peripheral flatness, nicely toned. With Fisher/Sinclair certificate #105773. Recovered from: Atocha, sunk in 1622 west of Key West, Florida
Estimate: $500 - 750