Police in Waltham Forest have released a CCTV image of a suspected 'snatch and grab' thief.
The man is wanted in connection with a theft at H Samuels in High Street, Walthamstow, on March 25 at 3:30pm.
The man walked up to a member of staff in the store and then snatched the gold necklace from her hand before fleeing the scene.
The CCTV image has been released to the Guardian as part of a joint venture to identify potential criminals of unsolved crimes in the borough.
Anyone with information should contact Waltham Forest police on 101 or call Crimestoppers anonymously on 0800 555 111.