Two men tried to steal £28,000 from a hotel in Oxford.
Police have now released CCTV images of the pair who may have vital information about the incident at Eastgate Hotel, Merton Street, on November 13.
At around 2.45pm a payment terminal, known as a PDQ machine or point of sale terminal, was stolen.
The offenders then tried to use the machine to refund themselves with a total of £28,000.
Anyone who recognises these men or knows of their whereabouts is asked to contact officers via 101.