A man wearing a balaclava jumped over the counter and stole alcohol during a robbery at the Co-op store in High Street, Desborough.
The ofender put the bottles of alcohol into a large bag before making off on foot from the burglary which took place at about 7.30pm last night night (Monday).
A police spokesman said: “The suspect is described as a black man, around 6ft tall and of medium build.
“He wore a balaclava and carried a dark bag.
“All his clothing was black.”
Anyone with information can contact Northamptonshire Police on 101 or call Crimestoppers anonymously on 0800 555111.