Watch List notes:

Large, complete gold bar #72, 2271 grams, marked with fineness XVII: (17.5K) and foundry/assayer SEBAST'N / ESPANOL, from the Atocha (1622). 8-1/2" x 1-1/2" x 3/4". A very thick and heavy ingot (NOT a "finger bar"!) with markings littering its top, including four finenesses, seven circular tax stamps and one full and clear foundry/assayer, also with fineness XVII and two parallel lines (in place of dots) lightly inscribed into the surface (probably the assayer's temporary marking before stamping), the whole surface somewhat rough as cast, especially the bottom, which shows lots of red toning and coral in crevices, tiny assayer's "bite" in one corner. From the Atocha (1622), with Fisher photo-certificate #85A-GB072.

Estimate: $80000 - 160000