Watch List notes:

Silver "tumbaga" bar #M-115, 7.08 lb av, from the "Tumbaga wreck" (ca. 1528). About 10" x 3-1/2" x 3/4". A thick, rectangular ingot with "sunburst" texture on top around two bold fineness markings, IV IIII with small s's above and below for 1400 (58.3% pure) and YB13 next to S and iUB for 1500 (62.5% pure), also bold partial tax stamp, the other side of the bar very granulated and bumpy, with very neatly sliced diagonal assayer's "bite" in corner, even silver color with some toning. From the "Tumbaga wreck" (ca. 1528), and pedigreed to our Auction #6, with original lot-tag #1632.

Estimate: $4000 - 6000