San Francisco Mint Cast Silver Ingot. Undated Type II Oval Hallmark. Ingot No. 135. Lot 2. 20.72 Ounces. 999.75 Fine.59 mm x 91 mm x 12.5 mm (greatest dimensions). The oval hallmark is at the top of the front face, below which is the ingot number 135, then the weight 20.72, and finally the fineness 999.75 FINE. The lot number 2 is on the bottom edge; all other faces are blank. Each stamp is firmly and evenly impressed; pointed 9s in the fineness. A lightly toned pearl-gray example with the only mentionable casting imperfection a circular depression on the front face, at left center. A pair of collector stickers have been affixed to the back face.