Gwent Police is looking to speak with this man following an assault at Caerphilly Social Club.
The assault happened at around 11.15pm on Friday April 3 at the club on in Castle Street, Caerphilly town.
The victim of the assault, a 42-year-old man from the Cefn Hengoed area was taken to the University Hospital of Wales in Cardiff with a head injury.
A 26-year-old man from the Hengoed area has been reported for summons for assault.
Anyone with any information can call Gwent Police on 101 quoting log number 495 03/04/15 or Crimestoppers anonymously on 0800 555 111.