Watch List notes:

Large copper ingot #260, 41.50 lb, ex-Atocha (1622). Roughly 13-1/4" x 10" x 3". Typical raw "pig" of copper with rough, pebbly surfaces impregnated with green oxidation and small areas of white coral, the rounded bottom stamped with Treasure Salvors' inventory code A85 / 260. From the Atocha (1622), with Fisher certificate #85A-260. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $600-900