The Police Transport Command is seeking assistance from the public to identify a female who could be able to help them with their investigation in relation to an intimidation incident.
It occurred on a train at Gosford at about 8am on Monday, August 26.
The female is described as Caucasian appearance, approximately 50 years of age, slim build with blonde hair in a bun, brown sunglasses, cream coloured shirt, blue jeans and carrying a brown coloured handbag.
Police are appealing for anyone who witnessed the incident or have knowledge of the identity of the person depicted to come forward.
Anyone with information is urged to contact Crime Stoppers: 1800 333 000 or https://nsw.crimestoppers.com.au with the reference number C100423086.