It happened inside the Chin Paper Towel Store along the 800 block of Washington Avenue back on April 17th.
Surveillance video shows the suspect walk in, call to the female clerk and take a box cutter from his pocket.
The clerk goes behind the counter and opens the register.
The thief then grabs several handfuls of cash and runs out.
The clerk was not hurt.
If you recognize the suspect, contact South Detective Division (215) 686-3013