Police want to speak to three men and a woman, after a bank card and a mobile phone were taken at a venue in Hurst Street, Birmingham.
The incident happened at around 4.30am on 25 July, and the card was later used to make significant purchases before it was blocked.
If you know who these people are, call us on 101, or message via Live Chat on our website quoting crime reference 20/340396/26.
Alternatively, you can call independent charity Crimestoppers on 0800 555 111 – they won’t ask for your details.