Police in Waltham Forest have released a CCTV image of a suspected fraudster.
Suspect 148435 is wanted in connection with fraud at Sainsbury's in High Street, Walthamstow, on April 16 at 2:05pm.
The 43 year-old male spent £80 on a Nectar loyalty card not belonging to himself.
The CCTV image has been released to the Guardian as part of a joint venture with the Metropolitan Police to identify potential perpetrators of unsolved crimes in the borough.
Anyone with information should contact Waltham Forest police on 101 or call Crimestoppers anonymously on 0800 555 111.