Banksy Peckham Rock - British MuseumThis wooden postcard replica from the British Museum shop, has the art work on the front and the text on the back. Approximately 18 cm x 12 cm In 2005 Banksy placed a fake prehistoric rock drawing of a caveman with a shopping trolley on the walls of the British Museum. The Rock was marked with pen. The sign next to it said "This finely preserved example of primitive art dates from the Post Catatonic era and is thought to depict early man venturing