Photo: vicpolicenews

It is believed that mail was stolen from locked and unlocked mail boxes located at the Mater Street complex on 4 May and again on 17 May.

Police believe that a man and a woman are working together and have visited the location at different times to steal mail.

A woman aged in her 20-30s, is believed to have physically forced the mail boxes open and removed the mail about 3.45pm on 4 May.

The woman, perceived to be Caucasian in appearance with a medium build, was wearing a black hoodie jumper, white jeans and white runners.

She was carrying a black back pack and a red handbag at the time.

A man also aged in his 20-30s, has stolen mail from the same location about 12.25am on 17 May.

He is perceived to be Caucasian in appearance with a medium build, was wearing a hoodie jumper with ‘Everlast’ written on the front and a white stripe down the sleeves, denim jeans and white runners.

Melbourne North Crime Investigation Unit detectives have released images and CCTV footage of a man and a woman who may be able to assist with their enquiries.

Anyone with any information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential crime report at www.crimestoppersvic.com.au.