It happened around 7:30 p.m. on February 26 at Olga's Sport Lounge in the 3800 block of North 9th Street.
Police say the two suspects were inside the bar for 10 minutes before approaching the 50 year-old victim, who was sitting at the bar.
The suspects can be seen surrounding the victim before placing a handgun against the man's back.
They went through his pockets and stole several items before the man fought back and tried to push them away.
Both robbers then fled the scene in an unknown direction.
Fortunately no one was injured.
No word on exactly how much the suspects got away with.
Police describe the first suspect as a black or Hispanic male, 20 years-old, 5'10" tall with a medium build. He was wearing dark clothing, and a half mask covering his face.
The second suspect is described as black or Hispanic male, 20 years-old, 5'8 tall with a medium build. He was wearing dark clothing and armed with a handgun.
Anyone with information on this robbery should call police at 215.686.TIPS (8477) or text a tip to PPD TIP (773847).
Tips will remain confidential.