Watch List notes:

Massive copper ingot (88 lb) from the Atocha (1622). Roughly 15-1/2" x 12" x 3-1/2". Massive chunk of pure copper from Cuban mines, unmarked but with lovely green-and-white patina on flat top, the roundish bottom with purplish toning all over. From the Atocha (1622), with Fisher photo-certificate #86A-226.

Estimate: $750 - 1100