Shepard Fairey ( 1970 - ) is an American painter. Shepard Fairey s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1250 USD for Power to the Posse, 1996 in 2008 to 138194.8 USD for Duality of humanity 2 Mural in 2017 , based on the size and medium of the artwork.