‘The Art of Banksy’ is a rare treat, even as it raises questions

An “unauthorized” exhibit of the street artist’s work is now open in Cambridge.

There’s a grand irony to “The Art of Banksy,” a traveling exhibit of original work by the anonymous street artist which is now open in Cambridge.

Banksy’s work is anti- a lot of things: anti-establishment, anti-fascist, and anti-Paris Hilton’s music career, as one famous piece showed. Perhaps most of all, his work is anti-capitalist, both in its message and in its preferred medium: as graffiti freely available to view on streets and building walls instead of in stuffy museum galleries.