Savannah-Chatham Metropolitan Police released photos of the suspect, described as a black male in his 40s or 50s wearing a blue hat, dark shirt with a pattern on the front, jeans and white shoes.
The man entered the SunTrust Bank in the 2500 block of Abercorn Street about 2:45 p.m. with a brown rag over his face and handed a teller a note demanding money. The suspect then retrieved the note and left, taking no money with him.
Metro robbery detectives continue the investigation.
Anyone with information on the case is asked to call Crimestoppers at (912) 234-2020 or text CRIMES (274637). Tipsters remain anonymous and may qualify for a cash reward.
A confidential Tip Line also is open directly to investigators at (912) 525-3124.