Hans Heinrich Ernst Hartung (after) ( 1904 - 1989 ) was a German painter. Hans Heinrich Ernst Hartung (after) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 303.78 USD for SANS TITRE, circa 1970 in 2008 to 11060.46 USD for P 1971-29 in 2009 , based on the size and medium of the artwork.