Liebert and Obert Brewers since 1873, Phila. Pa red beer tap knob. Just noticed that there is a rough edge on the face of the knob in the Bakelite, near the P In Philadelphia (left side). Sorry for the inconvenience. The item “Vintage Liebert and Obert beer tap handle/knob- Brewers since 1873 Phila, PA” is … more