https://www.lrb.co.uk/the-paper/v46/n05/nicholas-penny/on-the-wall Created Fri, 23/02/2024 - 00:00 Updated Fri, 23/02/2024 - 00:00 The urge to register one’s presence, even if only with a pseudonym, is a powerful factor in the history of graffiti. It is found when some forbidden or previously inaccessible territory is being explored.