Johann Georg Dreydorff ( 1873 - 1935 ) was a German painter. Johann Georg Dreydorff s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 169.89 USD for Herbstabend in 2004 to 1366.02 USD for Winter in the Engadin, monogrammed JGD (ligature) in 2010 , based on the size and medium of the artwork.