East Gippsland Crime Investigation Unit detectives have released CCTV vision following an armed robbery in Bairnsdale last week.
Investigators have been told a man entered a service station, situated at the intersection of Main and Ligar Streets, about 6.45pm Wednesday 8 July.
The man was wearing a balaclava and threatened the lone attendant with a knife.
The employee was forced to put cash into a bag before the offender left the store and headed east on Nicholson Street.
No one was injured during the incident.
Police have released CCTV and images of a man who they believe may be able to assist with their investigation.
