Undated (1964-1968) United States Assay Office at San Francisco "Grease Bar" Silver Ingot. 205.04 Ounces.175 mm x 89 mm x 39 mm. Normal casting imperfections on both the front and back faces, the former face with this "Grease Bars" only marking: the weight 205.04 in grease pencil along the upper edge. Originally toned in light to moderate patina, this is a hefty piece with rarity and visual appeal to tempt the advanced collector of U.S. government silver ingots. An additional shipping fee of $75 will be added to this lot for UPS Ground shipping within the U.S.A. Contact us for international estimated shipping charges. Pickup is not available for this item</em>.