What is the value of a 20 oz xxxx nickel bar made by the federated metals corporation?

The Federated Metals Corp bar Marked XXXX Nickel is babbit. It is approximately 85% tin with the balance being Antimony, Copper, and a tiny bit of Nickel. Nickel will stick to a magnet in the same way Iron will. These bars will have no pull to a magnet at all. As far as metal they have very little value. They may have more value as a curiOSity or to a collector.