A disabled Skegness woman caused a man who pushed her out of her wheelchair to flee the scene of the attack.
The woman was emerging from an alleyway opposite the junction of Lincoln Road and The Meadows at around 3.30pm on Wednesday, December 14.
A man approached her behind and tipped her out of her wheelchair.
He then grabbed her coat from the front whilst she lay on the floor and she has hit out at him, causing him to flee on foot up Lincoln Road in the direction of Burgh Road.
The alleged offender is described as a white male, in his late 20s, approximately 5ft 8 tall.
He was of medium build and clean shaven. He was wearing a black woollen hat to just above his eyes, a black bomber style jacket and dark coloured trousers or jeans with a rip to the left knee.
Anyone who witnessed the assault should contact PC Neil Webdill of Lincolnshire Police on 101, quoting incident number 336 of December 14.