Watch List notes:

Potosi, Bolivia, cob 8 reales, (16)20(T), Grade 3 (12 points), with hand-signed certificate from 1975. S-P21; KM-10; CT-137. 20.91 grams. Full but weak shield and cross due to moderate surface corrosion, bottom half of 20 of date, desirable early certificate. With original, hand-signed photo-certificate from 1975 (Cape Coral Bank) #2593. Recovered from: Atocha, sunk in 1622 west of Key West, Florida (Estimate: $300 - 450)