The robbery occurred Monday at 12:43 p.m.
The suspect is described as a white male in his late 20's, about 5'10, medium build, light colored moustache and goatee.
The suspect was last seen wearing a black knit hat with an unknown gray logo on the front, a black hooded sweat jacket with the hood worn up, and cream colored gloves with red tips.
Anyone with information is asked to call the FBI Hotline at 215-418-4000.
This male is considered armed and dangerous.
Citizens are being cautioned if they see this male do not approach him and to call 911 immediately.
