Hires Rootbeer Barrel

This Barrel was found in a basement of a bar from the 1940s or earlier. On the metal placket it says leased for dispensing hires rootbeer, and that the patent was applied for. It stand 36 inches tall and is 81 inch around at the wides part. It is made of oak with a metal galvinized liner. Its insulated between the metal and oak with sawdust. The tap is silver. The lid is solid oak approximately 1 in thick.