Police say the robber entered the store and approached the service counter.
Armed with the knife, the man demanded money from the cash register.
Once he had the money, police say he fled the store.
The suspect is described as a white man, 20 to 30 years old standing about 5'10" tall with a large build weighing 200 to 220 pounds. He was unshaven, wearing a hooded sweatshirt, black gloves and brown boots.
Anyone who may recognize the man is asked to call 302.834.2630 ext. 6.
You can get the latest crime statistics from the Philadelphia Police by CLICKING HERE for the force's crime data mapping site.
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