Boris Vallejo ( 1941 - ) is an American painter. Boris Vallejo s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 4182 USD for Death Riders of Hel, paperback cover, 1986 in 2009 to 7170 USD for Red Sonja #5: Against the Prince of Hell, paperback cover, 1983 in 2009 , based on the size and medium of the artwork.