Street artist Banksy created two new murals outside central London's Barbican Art Gallery just prior to a major show of works by American artist Jean-Michel Basquiat opening there on Sept. 21.

On Instagram, Banksy describes one mural as “Portrait of Basquiat being welcomed by the Metropolitan police – an (unofficial) collaboration with the new Basquiat show.” The work is likely an ode to Basquiat’s famed "Boy and Dog in a Johnnypump," except Banksy provocatively references race when he adds two police officers to the image of a black boy with his dog.

Another mural is titled on Instagram as “Major new Basquiat show opens at the Barbican – a place that is normally very keen to clean any graffiti from its walls.” The piece features a Ferris wheel with people lined up below. The ride's cars are replaced with Basquiat's signature crown motif.