Here is a Horlacher’s Beer Ball Tap Knob from the Horlacher Brewing Company located in Allentown, PA. This Horlacher’s Beer Ball Tap Knob is from the 1930s and is in excellent condition considering how old it is.
The knob is made of a porcelain enamel and copper face mounted in a red bakelite body. There is another variation of this Horlacher Beer tap knob, the difference being the face is red-painted metal; click here to view the other variation.