The robbery happened shortly after 10:30 p.m. on Sunday, February 13th at the Middle Brook Bar, located at 601 West Bristol Street.
Investigators say the robber walked behind the bar, pulled out a shotgun and pointed it at the bartender's face.
The suspect told the bartender to open the cash register. The video then shows the man taking about $250 and a cellphone. He then fled out the back door.
There were two other people in the bar at the time of the robbery. No one was hurt.
The suspect is described as a black man, about 20 to 30 years old, standing 5'10?, wearing a black hat, black gloves, blue jeans and a brown "Hollister California" hoodie.
Anyone who recognizes the suspect is asked to contact East Detectives at 215-686-TIPS (8477) or text a tip to PPD TIP or 773847.