Here is a Koch’s Beer Glass Tap Knob from the Koch Brewing Company located in Williamsport, PA. This Koch’s Beer Glass Tap Knob is from 1936 and is in fair condition for it’s age.
Knobs like this one were made by the Newman Company located in Pittsburgh, PA. It is made of molded cast glass, etched and fired-on enamel paint lettering, and mounted on an internal wide metal threaded shank. This style knob was only produced for a short time in 1936. Beer tap knobs like this one are usually difficult to find in any condition since they are so fragile and weren’t made for very long.