Officers have made a renewed appeal issuing CCTV of man suspected in connected with an assault in Gladstone Street, Worksop, at around 2.10pm on October 14.
The 24-year-old victim was hit on the head in the unprovoked attack with an unknown weapon and received hospital treatment for a cut to the eye.
After the attack it is believed the attacker may have drove off in a white van.
Police would like to speak to the man pictured on CCTV. If anyone has information regarding this incident, please contact Nottinghamshire police on 101 quoting incident number 480 of October 14 or call Crimestoppers on 0800 555 111.