Undated San Francisco Mint Silver Ingot. 30.12 ozs. 60 x 84 x 13 mm. 999.75 fine.,The top face of the ingot impressed with large oval logo, MINT OF THE UNITED STATES / AT SAN FRANCISCO around a federal-style eagle. Numbered 58 above with weight and fineness expressed as 30.12 OZS / 999.75 FINE above and below the logo. The bottom as well as all four sides of the ingot are blank. Naturally toned in bright silver with a few patches of deeper gray near the edges. This piece boasts an especially fine impression of the mint logo.