Police have released CCTV images of a man they want to talk to after a robbery at a post office in Mundesley.
The man entered the property on High Street with his face covered shortly before 6am on Friday, March 9.
He threatened staff with an unknown small object wrapped in what was believed to be a black bin bag before stealing cash.
Two staff members suffered minor injuries.
He was white, about 6ft tall and medium to stocky build. He was wearing a blue hoody with a blue shiny jacket over the hoody, dark jogging style trousers and white trainers.
Police are appealing for anyone who saw anything suspicious to come forward. They are particularly keen for anyone with CCTV or dashcam footage to get in touch.
Anyone with information should call Great Yarmouth CID on 101 or contact Crimestoppers anonymously on 0800 555 111 or via their anonymous online form at crimestoppers-uk.org