Police are appealing for information regarding a road range incident that occurred on the Hume Highway near Wallan.
The incident occurred at approximately 3.05pm on July 19, 2017.
A vehicle driven by the male pictured above swerved several times towards another car, forcing evasive action to avoid a collision.
The offender then took up a position beside the other vehicle and the driver pointed what was described as a handgun at the victim.
An unknown metal object was also thrown towards the victim.
The offender is described as 30 to 40-years-old, Caucasian, approximately 6ft tall, large to fat build, with short receding strawberry blonde hair, green hazel eyes, light skinned with reddish cheeks and heavily freckled.
The offender’s vehicle is described as an old model Blue Ford XR6 sedan with a sticker on the back window.
Anyone with information is urged to contact Mitchell Crime Investigation Unit, or alternatively can provide information via Crimestoppers on www.crimestoppersvic.com.au.