Robbers have struck at the Co-op store in Wraysbury.
It happened at around 8.40pm on Sunday, February 16 when they burst into the Windsor Road store, jumped over the counter and forced open the till using a metal bar.
They had stolen the money from the till and left in under a minute.
No one was injured during the incident.
Police have now released a CCTV image.
Investigating officer, Detective Constable Robert Gibson, based at Maidenhead police station, said: "We are very keen to trace the individuals in this image. If you recognise these men, or have any information about them, please get in touch."
You can make a report online or call 101 quoting reference 43200054403 or call Crimestoppers anonymously on 0800 555 111.
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