John Oxland has not been heard from by family since Saturday 11 October and was last seen in Gunnedah on Monday 13 October.
Mr Oxland’s family have concerns for his welfare due to recent behaviour prior to his disappearance.
The missing person is believed to be driving a gold 2002 Hyundai Accent sedan with NSW registration plates AQ-22-EV.
John Oxland is described as white/European appearance, slim to medium build, about 185cm tall, about 90kg, with grey hair, brown eyes, is usually clean shaven, wears glasses and speaks with a slight South African accent.
Anyone who knows of Mr Oxland’s whereabouts, or has information that can assist investigators, is urged to contact Ballina Police on 6681 8699 or Crime Stoppers on 1800 333 000.