Watch List notes:

Potosi, Bolivia, cob 2 reales, Philip III, assayer RL, Grade 1. S-P15; KM-8; Cal-unl. 8.22 grams. One hundred percent corrosion-free and actually overweight by about 20%, with full and bold shield and cross nicely contrasted with darkly toned fields, peripherally flat but with clear P-RL and denomination ii. With Fisher tag and photo-certificate 85A-117468.Recovered from: Atocha, sunk in 1622 west of Key West, Florida.

Estimate: $1500 - $2250