Thames Valley Police is releasing CCTV in connection with a robbery at the Co-op supermarket in Stoke Poges.
The incident occurred at around 7.30am on Thursday 30 November 2017.
Three men entered the supermarket, jumped over the counter and stole a large quantity of cigarettes from behind the till. One was carrying a yellow bag with lettering on it.
They left the scene in a blue Subaru Impreza, which has since been recovered.
No one was injured during the incident.
Investigating officer Detective Constable Sarah Lewis, of Force CID based in Aylesbury, said: “I am keen to speak to the men in this CCTV image, as they may have information which is vital to our investigation.
“Anyone who recognises these men, or has any information that could assist with the investigation should contact Thames Valley Police on the non-emergency telephone number, 101, quoting reference 43170356249. Alternatively, you can contact Crimestoppers anonymously on 0800 555 111.”
If you have any information relating to this case, please call 101 quoting reference '43170356249', or contact Crimestoppers anonymously.