Casey Crime Investigation Unit detectives are appealing for information following a burglary at a Narre Warren fast food outlet.
Investigators have been told two men drove a silver Volvo sedan, bearing false registration plates YLR-443, to the restaurant on Princes Highway about 7am on Friday 15 January.
The pair exited their car and broke into the store through a rear service door.
Once inside they allegedly stole cash before returning to their vehicle and leaving.
One of the offenders is perceived to be Caucasian, 180 centimetres tall with a medium build and short dark hair.
The other offender is perceived to be of African appearance, 160 centimetres tall with a slim build and wearing a BLVK cap.
Investigators have released images of two men that may be able to assist with their inquiries.
Anyone who recognises the men or with further information is urged to contact Crime Stoppers on 1800 333 000.