This banksy t shirt features a mural he painted in new orleans usa inspired by the simpsons this banksy piece shows a boy writing lines on a blackboard as we see bart do at the beginning of every simpsons episode the lines he is writing are i must not copy what i see on the simpsons please note this is a banksy tee and not licensed simpsons merchandise 100 cotton banksy i must not copy what i see on the simpsons t shirt 10 of all royalties from our banksy t shirt range are donated to