Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip III, assayer M, quadrants of cross transposed, Grade 3. S-P18; KM-10; Cal-920. 22.93 grams. Oblong flan due to corrosion on edge, bold full cross and decent full shield, just enough legend to recognize as the pre-dated type, lightly toned. With original Fisher certificate 85A-184721 (tag missing). Recovered from: Atocha, sunk in 1622 west of Key West, Florida


Estimate: 600 - 900 USD