Port Phillip Crime Investigation Unit detectives are investigating a burglary in Albert Park from late July.
It is believed two unknown men gained access to an apartment complex on Queens Road about 3.30am on 26 July.
The offenders stole various letters and parcels belonging to residents of the complex.
Police have released images of two men they believe can assist with the investigation.
The first man is described as having a large build and was wearing a dark-coloured hooded jumper, jeans and a light-coloured baseball cap
The second male had a smaller build and was wearing a dark-coloured jacket, jeans and a black beanie.
Anyone with information that could assist police with their enquiries is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au