A robber who held up a shop in Sheffield city centre was captured on camera brandishing a knife.
The image has now been released by South Yorkshire Police in a bid to track the criminal down.
He struck at Sainsbury's Local in Mortimer Street, close to DFS and The Leadmill, at 10.20pm on Monday, December 5
Cash was taken during the robbery.
The robber was white, aged 25-30, 6ft tall, unshaven and of a large build.
Anyone with information should call South Yorkshire Police on 101 or Crimestoppers on 0800 555111.