Anonymous in the age of celebrity and making artwork with social commentary while other artists cash in, graffiti artist Banksy has intrigued audiences with his art and identity since he began stencilling/vandalizing public property in the early '90s. (No official image of the guy exists!) Known for installing his own work surreptitiously in museums, Banksy helped mount a surprise exhibit in his hometown — Banksy versus Bristol Museum. The exhibit is supposed to be Banksy's way of thanking Bristol for giving his street art its first canvas.

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