Engelhard 10 Troy oz Bar Extruded -000025 only 10 Made (ONLY 1 KNOWN) Super Rare

Up for sale are some pieces from our personal collection. We are selling to help our daughter with college, some of her grants did not come through so you know classes and books are not cheap. I guess its college before collection. Engelhard 10 oz extruded industrial bar, # -000025 only 10 made and only 1 known example Extremely Rare .