Picture: Nicki Connolly

Police believe a male and female offender attended a Bourke Street store about 1pm on 2 February.

The female offender entered a back store room and stole a purse containing a credit card.

The credit card has since been used at various locations in the Melbourne CBD.

Both offenders are perceived to be Caucasian in appearance and aged in their 20s.

The female offender has blonde hair and the male offender has dark hair and a tattoo on his forearm.

Investigators have released images of a man and a woman they believe can assist with their enquires.

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