Cincinnati Ohio Red Top Beer ball tap knob. The item “Ball tap knob, tap knob, tap handle, Cincinnati Beer, Red Top, irtp label, Ohio” is in sale since Sunday, March 04, 2018. This item is in the category “Collectibles\Breweriana, Beer\Tap Handles, Knobs\Other Beer Tap Handles, Knobs”. The seller is “apt99″ and is located in Cincinnati, Ohio. This item can be shipped to United States, South africa.