Robbers armed with a sword stole cigarettes from the Budgens store in Highway Avenue, Maidenhead last week.
The two struck at about 9.40pm on Wednesday, August 10. They were wearing dark clothing and face coverings.
Investigating officer Det Con Richard Ayres from Force CID at Maidenhead, said: “Fortunately no one was injured during this incident but a large quantity of cigarettes was stolen."
Possible witnesses or anyone with information are asked to call the 24-hour Thames Valley Police enquiry centre on 101 or Crimestoppers anonymously on 0800 555 111.
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