Mexico City, Mexico, cob 8 reales, Philip III, assayer not visible, Grade-2 or -3 quality (12 points), with hand-signed certificate from 1975. KM-44.3. 18.01 grams. Most of shield and cross (the latter bold) but peripheries featureless, overall solid but moderately corroded. With original, hand-signed Fisher photo-certificate from 1975 (Cape Coral Bank) #2290. Recovered from: Atocha, sunk in 1622 west of Key West, Florida
($300-450)