^Lot 75 Medium silver bar #603 made in Potosi, 57 lb 4.00 oz troy, 2300/2400 fine (95.83%), Class Factor 1.0

Medium silver bar #603 made in Potosi, 57 lb 4.00 oz troy, 2300/2400 fine (95.83%), Class Factor 1.0, marked with manifest IIIUDCCLXVIII (3768), fineness IIUCCC, date 1621, tax stamps and owner/shipper marks, ex-Atocha (1622). 13-3/4" x 5" x 2". About half the usual height of a large bar but same width and length, one of very few (reportedly just over 6%) made in lower fineness, shown clearly in four separate boxes (IIU and three C's), the lengthy manifest number also clear to right of a faint but certain I6ZI date, small D and large R owner/shipper marks and V for silvermaster de Vreder near one end, small double-scoop assayer's "bite" in center. From the Atocha (1622), with original Fisher photo-certificate 85A-S603.