Fake ten pound note created by Banksy.

Mostly known for his stencil and installation work, Banksy turned his attention to his native London's bills.
In 2004, the artist printed one million pounds worth of his Di Faced Tenner. The play on the term "defaced" (di-faced) comes from the fact that Banksy substituted the Queen's face with that of Princess Diana.
The altered bill, which also features the words "Banksy of England", were dropped into a crowd at the 2004 Notting Hill Carnival and later that year, The Reading Festival.