Officers have released CCTV footage in connection with a robbery at a Tesco Express in Main Road, Radcliffe-on-Trent.
A member of staff was threatened with what appeared to be a small handgun in a robbery at 10.03pm on Sunday 18 December 2016. The offender fled with cash from the till.
He is described as white, 5ft 8ins tall, slim, aged 16 to 25, with an English accent. He was wearing all black clothing and a balaclava.
Anyone with information about the incident is urged to call Nottinghamshire Police on 101, quoting incident number 817 of 18 December 2016. Alternatively call Crimestoppers anonymously on 0800 555 111.