It happened on Monday morning at the station located on the 3100 block of North Broad St.
Surveillance video shows two women placing items in a white plastic bag.
The 62 year old clerk exited the cashier booth and asked both to stop.
One of the suspects then grabbed the man and took $10 from his pocket while the second suspect tried but failed to open the cash register.
Both women then took off. The cashier was not hurt.
If you see this suspect do not approach them, contact 911 immediately.
To submit a tip via telephone, dial 215.686.TIPS (8477) or text a tip to PPD TIP or 773847.
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