John Duvall (attributed To) ( 1816 - 1892 ) was a painter. John Duvall (attributed To) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 51.14 USD for Two sketches Sheep in 2008 to 527.56 USD for Young Boy Resting with Donkey and Dog in 2010 , based on the size and medium of the artwork.