Undated San Francisco Mint Silver Ingot. Type I Oval Hallmark. No. 1731. 5.79 Ounces. 999.0 Fine.32.2 mm x 51.2 mm x 11.2 mm. Mottled gray and steel-blue patina on the front and back, while traces of pale metallic rose are noted on three of the four edges. Type I oval hallmark at the top of the front face, tilted downward slightly, toward the right. Medium font, with rounded-stem 9s in the fineness. All stamps are located on the face of the ingot except for the weight, which is expressed on the back. A scarce and highly desirable ingot from the San Francisco Mint.<p><p>
