A man threatened staff at a Barnstaple bakery before making off with more than £150 in cash.
Police received a 999 call from staff at Warren's bakery on Boutport Street around 4.30pm yesterday after the man had made his getaway.
The man is described as white, aged between 25 and 40, between 5"8 and 5"11 and of stocky build.
He was wearing dark clothing and possibly a light coloured woollen hat.
Anyone with information is asked to contact Crimestoppers anonymously on 0800 555 111 quoting crime reference CB/12/3877.