Police are hunting robbers who punched a man in his face before stealing his wallet.
The 29-year-old was walking along Crow Lane, Chesterfield, when he was targeted between the railway bridge and the junction with Piccadilly Road,
It is believed three men were involved in the incident, which happened at about 11.30pm on Sunday, January 18.
Police investigating the offence want to hear from witnesses or anyone who may have seen people acting suspiciously in the area.
Anyone with information should call Derbyshire Police on 101, quoting crime reference 2537/15.