Police say two masked men entered the store, while a third man was a lookout by the front door.
One man pointed a gun at the clerk and took money from the register. He also took the clerk's wallet and cash.
The first suspect is described as an African American man wearing a black hooded sweater with "Yes We Can" on the back, blue jeans and a black mask.
The second suspect is described as an African American man wearing a red mask, a red hooded sweater with "Brooklyn Express" on the back and black jeans.
The lookout was wearing a black mask and a black hooded jacket.
The second robbery happened around 7:15 p.m. on December 20.
A man entered the store and took cash and cigarettes at gunpoint. He is described as an African American man that stands 5 feet 10 inches to 6 feet tall with a large build.
He was wearing a black hooded sweater with "Yes We Can" on the back, a black mask, dark jeans and black gloves.
Anyone with information is asked to call Investigator Emanuel at 560-4415, ext. 29306 or CrimeStoppers at 683-1200.
CrimeStoppers pays cash rewards for information leading to arrests in felony cases and callers never have to identify themselves.