Watch List notes:

Potosi, Bolivia, cob 8 reales, 1620 (T), Grade 1. S-P21; KM-10; Cal-929. 24.66 grams. Unevenly thick flan (as made) with corrosion and thinning just on parts of edge, nice full shield and cross, clear date with the 20 in small letters (zo), lightly toned. With original Fisher tag and certificate 85A-210055, pedigreed to the J.P. Silberman Estate.Recovered from: Atocha, sunk in 1622 west of Key West, Florida.

Estimate: $1500 - $2250