A least two generations of graffiti had been erased from this wall over time. Even the post showed signs of a sticker removal.

A set of double doors illustrated that it is worse to clean off graffiti than it is to paint over graffiti.

Someone had spray painted graffiti inside an alley on the side of a building. Later, someone decided to erase that graffiti. He or she used spray paint to cover the graffiti, leaving behind a smear that was probably more ugly than the erased original.