Restrictions covering last piece of work by unknown artist

• Source of the quote
• Anonymous English street artist
• Noted graffiti artist
• Graffiti artist who opened (and closed) Dismaland in 2015
• Graffiti artist who didn't win a 2011 Oscar (which made the identity-reveal speculation a non-event)

Wikipedia Word definitions in Wikipedia
Banksy is an England-based graffiti artist, political activist and film director of unverified identity. His satirical street art and subversive epigrams combine dark humour with graffiti executed in a distinctive stenciling technique. His works of political ...