Banksy's latest work appeared earlier this week on the red brick wall of a beauty salon, next to a bicycle that was locked to a metal signpost and missing its back wheel.
A picture of the work in the student area of the city was posted on Banksy's Instagram feed and website on Saturday (October 17).
Banksy is known for witty artworks that often make powerful references to world affairs.
His works this year have alluded to various world events including the and Black Lives Matter movement.
In August, he funded a boat crewed by volunteers to rescue refugees in the Mediterranean attempting to reach Europe from Africa.