Lincolnshire Police are appealing for witnesses and information after two thieves entered a convenience shop in Lincoln and threatened a member of staff with a knife.
The robbery tool place at the Premier store in Lamb Gardens just before 6pm on Thursday, December 22.
Just before that time, two men went into the store and threatened a member of staff with a knife before stealing an amount of cash from the till and running from the scene.
The first man is described as medium build, dressed in all grey clothing with a black face scarf, black gloves and black trainers.
The second is wearing a grey jumper, dark hat and dark coloured trousers.
No one was injured in the incident.
Lincolnshire Police are appealing to hear from anyone who was in the area and either saw the two men prior to the incident or immediately afterwards when they ran away.
Anyone with information is asked to call 101 and quote incident 207 of December 22.