Thames Valley Police is appealing for witnesses following an armed robbery in Littlemore, Oxford.
The incident took place on Sunday 28 January at around 7pm at the VCR Food & Wine store in Oxford Road.
The victim, a 55-year-old woman, was in the store when two offenders entered the premises.
The offender threatened the victim and demanded money. One of the offenders was holding a plastic bag with what appeared to have been a handgun inside.
They stole three bottles of alcohol before leaving the store.
The first offender is described as a white man who was between 18 and 20 years old. He was wearing a blue balaclava, a black jacket with a hood and was holding the plastic bag.
The second offender is described as a white man wearing dark clothing.
The victim did not sustain any injuries during the incident.
Investigating officer Detective Constable Rosie Campbell, based at St Aldates police station, said: “If anyone witnessed this incident, or has any information relating to it, I would like to hear from them.
“Anyone with any details which they think could help our investigation should call the Thames Valley Police non-emergency number on 101.
“We are also appealing for any drivers who may have been in the area with any dash cam footage to come forward.”
If you have any information relating to this case, please call 101 quoting reference '43180028984', or contact Crimestoppers anonymously.