Potosi, Bolivia, cob 8 reales, Philip III, assayer Q, Grade 1 or 2 (no Grade on certificate). S-P17; KM-10; Cal-916. 25.51 grams. Broad, round flan with full P-Q, full and well-detailed shield and cross (the latter slightly doubled), minimal surface corrosion. With Fisher tag and certificate 102510. From: Atocha, sunk in 1622 west of Key West, Florida
($500-750)