Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip III, assayer not visible, Grade 3 ("6 points"), with hand-signed certificate from 1976. KM-10; Cal-Type 165. 20.78 grams. Bold but doubled cross, full but weaker shield, nicely toned but moderately corroded all over. With 1976 photo-certificate 538 hand-signed by Mel Fisher and others (tag missing). From: Atocha, sunk in 1622 west of Key West, Florida
($400-600)