Cash was stolen from the till of a Newmarket shop.
The incident occurred at around 1pm on Saturday October 31.
Two men entered the High Street store, with one distracting a shop assistant while the other tried to confuse the cashier by asking to change some bank notes.
After a short time the second man reached into the till and stole money.
Police want to identify the two men pictured in the CCTV images in connection with their investigation.
Anyone with information, or who can identify the men, should call Pc Daniel Smyth at Mildenhall Police Station on 101, with reference number 13025/15.
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