Back in graffiti artist King Robbo painted one of London's earliest pieces in a well known tunnel in Camden. You can see the piece above in all of its original glory. By the piece had been heavily abused.
Rain Girl: September by Banksy in New Orleans. Exactly three years after Hurricane Katrina, Banksy showed up in New Orleans. He left his mark around the city, providing stenciled commentary on the post-Katrina days.