Potosi, Bolivia, cob 8 reales, Philip III, assayer not visible, Grade 4 ("1 point"), with hand-signed certificate from 1976. KM-10. 15.73 grams. Very corroded with some shield and cross details, patch of dark encrustation on shield, desirable early Atocha find. With 1976 tag and photo-certificate 3133 (Cape Coral Bank) hand-signed by Mel Fisher and others. From: Atocha, sunk in 1622 west of Key West, Florida
($200-300)