John Valadez ( 1951 - ) is an American painter. John Valadez s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1500 USD for Portrait with Cherubs in 2011 to 12500 USD for Beto's Vacation (Water, Land, Fire): a triptych in 2011 , based on the size and medium of the artwork.