Police are appealing for information following an assault at a nightclub in Southend.
It happened at Dick de Vignes in Warrior Square at around 1.25am on Sunday, April 16.
The victim, a man in his 20s, was punched in the face several times with what is believed to be a knuckle duster.
He suffered significant facial injuries.
The man who attacked him was ejected from the nightclub and is believed to have made off in the direction of the High Street.
Anyone with any information about the incident is asked to contact Dc Neil Utley at Southend police station on 101 or Crimestoppers anonymously on 0800 555 111.