San Francisco Mint Cast Silver Ingot. Undated Type II Oval Hallmark. No. 761. 19.95 Ounces. 999.75 Fine. 40 mm x 68 mm x 23 mm (greatest dimensions). The oval hallmark is at the top of the front face, below which is the ingot number 761, then the fineness 999.75 FINE. The weight 19.95 / OZS. is stamped at the top of the back face. All other faces are blank. Each stamp is firmly and evenly impressed; pointed 9s in the fineness. A bright silver-gray example with no significant casting imperfections and only a few wispy handling marks on the front and back faces. Part of the San Francisco Mints 25 ounce cast class of silver ingots, this particular specimen is not listed in the registry on Ken Conaways website <em>silveringots.com</em>.