Police are hoping to identify a man following a sexual assault in Clayton last year.
Police have been told a 59-year-old woman attended an auction house on the Princes Highway about 10:30am on 9 October, 2019.
An unknown male approached her from behind and sexually assaulted her before the victim walked away.
Investigators have released images of a man they believe may be able to assist them with their enquiries.
Police are appealing for anyone who may have witnessed the incident, the man depicted in the picture or anyone who recognises the man to come forward with information.
Anyone with any information in relation to this incident is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au
Leading Senior Constable