Watch List notes:

Potosi, Bolivia, cob 8 reales, 1620 (T), Grade 1. S-P21; KM-10; Cal-929. 21.05 grams. Good full shield with bold mintmark to left, full but corroded cross with clear Zo (20) of date visible, toned all over. With Fisher tag and certificate 85A-116961, pedigreed to the RWB Reference Collection of Atocha dated cobs. Recovered from: Atocha, sunk in 1622 west of Key West, Florida


Estimate: 1500 - 2250 USD