Here is a Supreme Beer Ball Tap Knob from the South Bethlehem Brewing Company located in Bethlehem, PA. This Supreme Beer Ball Tap Knob is from the 1940’s era and is in excellent condition for it’s age.
This ball tap knob is made of a porcelain enamel face set on a black lucite plastic body. There are actually 3 different variations of this Supreme Ball Knob all with the same face just set in different black and chrome bodies.