VINTAGE BERLINER BERLIN WIS BEER TAP HANDLE KNOB BALL BAKELITE COMP PORCELAIN. OLD KNOB FROM BERLIN WISCONSIN LOOKS LIKE BLACK BAKELITE COMPOSITION WITH PORCELAIN OR ENAMEL INSERT. THREADS ARE GOOD HAS CHIP AT ENTRANCE AND MAYBE A HAIRLINE AS IT IS HARD TO TELL… AS FOUND AS IS.. USE ZOOM YOU CAN SEE WHAT I … more