Johann Caspar Schneider ( 1753 - 1839 ) was a German painter. Johann Caspar Schneider s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 3016.59 USD for Der Main bei Aschaffenburg in 2005 to 3835.96 USD for A Rhenish Landscape with Sooneck Castle and Niederheimbach in 2014 , based on the size and medium of the artwork.