Vintage Trommer’s Malt Beer Tap Marker Ball Knob as pictured. Made by Bastian Bros.. Let us know if you have any questions. This item is in the category “Collectibles\Breweriana, Beer\Tap Handles, Knobs\Other Beer Tap Handles, Knobs”. The seller is “jrhbn” and is located in this country: US. This item can be shipped to United States, … more