Watch List notes:

Large silver bar #339 made in Potosi, 83 lb 0.48 oz troy, 2380/2400 fine (99.17%), Class Factor 1.0, marked with manifest number IIIIUXIII (4013), fineness IIUCCCLXXX followed by MEXIA assayer cartouche, date 1621, tax stamps and owner/shipper marks, ex-Atocha (1622). 13-1/2" x 5" x 3-3/8". A very large "loaf" of solid silver with a multitude of clear markings on top, including (to right of fineness)one of the clearest examples of MEXIA (assayer name) we have seen, also with clear "I6ZI" date with full circular tax seal lightly stamped over it (in addition to two other seals in other places), bold full manifest above small double-scoop assayer's "bite" in center, silvermaster's mark V (for de Vreder) in one corner, and several other marks for owners and shippers (some crossed out), of which the most prominent is a giant A near one side. From the Atocha (1622), with original Fisher photo-certificate 85A-S339.
($35000-50000)