Police want to hear from anybody who can help them with their investigation into a case of indecent exposure in Grantham.
The incident happened at 4pm on May 24 on a footpath at the back of gardens between Gorse Rise and Harrowby Lane.
The offender was a man thought to be in his 40s. He is said to be of a proportionate build, having dark hair, a short beard and wore blue jeans, trainers and a red T-shirt.
If you have any information relating to the incident call police on 101, quoting incident number 323 of May 24.