Watch List notes:

Potosi, Bolivia, cob 4 reales, (1618) PAL, Grade 3. S-P20; KM-9; Cal-774. 11.59 grams. Choice full shield (uncorroded, slightly doubled) with clear full assayer PAL (large), cross side corroded, richly toned all over. With original Fisher certificate 85A-237590 (tag missing). Recovered from: Atocha, sunk in 1622 west of Key West, Florida


Estimate: 1000 - 1500 USD