^Lot 74 Large silver bar #792 made in Potosi, 81 lb 2.08 oz troy, 2300/2400 fine (95.83%), Class Factor 0.8,

Large silver bar #792 made in Potosi, 81 lb 2.08 oz troy, 2300/2400 fine (95.83%), Class Factor 0.8, marked with manifest IIIUDCCCXXV (3825), fineness IIUCCC followed by MEXIA assayer cartouche, date 1621, tax stamps and owner/shipper mark, ex-Atocha (1622). 13-1/2" x 5" x 3". One of very few Atocha bars (reportedly just over 6%) made in lower fineness, shown clearly next to a full but slightly corroded cartouche for assayer Mexia, the lengthy manifest number also clear as well as at least four partial circular tax seals, with faint small D (owner/shipper) below weak but certain I6ZI date, deep diagonal slash at one inside silvermaster de Vreder's V, typical double-scoop assayer's "bite" in center, all light in color and neatly cast. From the Atocha (1622), with original Fisher photo-certificate 85A-S792.