Undated (20th Century) Nevada Silver Co. Silver Ingot. 4.70 Ounces, .999 Fine. $6.06 Contemporary Value.30 mm x 53 mm x 10 mm. Deep, nicely toned punches, all well applied, with the company seal well centered in the upper half of the bars face. Additionally marked SILVER / 999 / FINE on the back. Otherwise light silver overall, a few streaks of steel-gray bisect the face. The Nevada Silver Co. was located in Tonopah, Nevada, and produced ingots of this type during the early to mid-20th century.