Lincolnshire Police are investigating the alleged fraudulent use of a bank card at a Lincoln Tesco store.
The incident happened at the Tesco store on Wragby Road at around 12pm on January 31.
Police published photos of a man on February 9, who they wish to speak to about the incident.
Anyone with information should contact police on 101 or via email at [email protected] quoting reference number 2000063119.
Alternatively, it can be reported through the independent charity Crimestoppers on 0800 555 111.