Karl Köppel ( 1892 - 1919 ) was an Austrian painter. Karl Köppel s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 195.4 USD for Eibsee mit Zugspitze in 2006 to 718.16 USD for Marine with sailing boats along the coast of Sylt. in 2010 , based on the size and medium of the artwork.