An armed raider stole cash during a shop robbery.
Detectives are appealing for information after the incident in Barlborough.
At around 7.20pm on Monday, May 19 a man entered Spar on Ash Close and demanded money from the cashier.
The man appeared to be carrying a knife.
The staff member opened the till and the offender reached in and took money and put it into a bag before leaving the shop.
No one was injured during the robbery.
The offender is described as around 5ft 10ins tall, of slim build and wearing jeans, a black hooded top and light coloured footwear. His face was covered.
Witnesses or anyone with information is asked to call Bolsover CID on 101 or Crimestoppers anonymously on 0800 555 111.