Watch List notes:

Potosi, Bolivia, cob 4 reales, (1)617M, Grade 1, with original tag but certificate missing. S-P19; KM-9; CT-245. 12.69 grams. Bold full 17 of date, choice full shield and cross, full P-M, nicely toned, no corrosion. With Fisher/Miguel tag #H-38. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $350