Watch List notes:

Potosi, Bolivia, cob 8 reales, (16)17M, Grade 3. S-P19; KM-10; CT-129. 24.13 grams. Superb full cross-lions-castles (UNC details) but shield corroded, broad flan, weak assayer but clear 17 of date (and corresponding erasure of border), toned around details. With Fisher tag and photo-certificate #96A-14117. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $300-450