Police are appealing for public assistance following an aggravated burglary and false imprisonment in Cairnlea in 2016.
It is believed three males entered an address on Roseberry Close about 12pm on September 9.
Investigators have been told a female occupant of the house was locked into a bedroom while the offenders ransacked the property stealing cash, jewellery and documents.
The offenders fled the scene in a white Mercedes van or similar.
The woman, 64, at the time, was not injured during the incident.
Police have released CCTV which depicts a vehicle they wish to identify and three men who may be able to assist with inquiries.
One man is perceived to be of African appearance. He was wearing a black top, black pants and a black balaclava.
Another male, perceived to be Caucasian in appearance, was wearing grey pants and red shoes.
A third male is perceived to be of Caucasian appearance and was wearing black clothing.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report at www.crimestoppersvic.com.au