Josef Anton Koch ( 1768 - 1839 ) was a painter. Josef Anton Koch s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 672.31 USD for A river landscape with anglers, horsemen and a fortress in the background in 2009 to 3250.15 USD for Vues de Rome in 2013 , based on the size and medium of the artwork.