Watch List notes:

Potosi, Bolivia, cob 8 reales, (16)20T, upper half of shield transposed, Grade 3 (13 points), with hand-signed certificate from 1976. S-P21; KM-10; CT-137. 22.46 grams. Moderately to heavily corroded but with full shield and (doubled) cross, clear 2 but weak 0 of date, two small edge-splits, desirable early certificate. With original, hand-signed photo-certificate from 1976 (Cape Coral Bank) #4051. Recovered from: Atocha, sunk in 1622 west of Key West, Florida (Estimate: $300 - 450)