Robert Hermann Sterl ( 1867 - 1932 ) was a German painter. Robert Hermann Sterl s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1461.04 USD for Sommerliche Auenlandschaft in 2004 to 22951.98 USD for Pushing the Carriage in 2015 , based on the size and medium of the artwork.