Otto Eckmann ( 1865 - 1902 ) was a German painter. Otto Eckmann s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 36.3 USD for Kalender der Buchdruckerei Julius Sittenfeld, Berlin, 1897 in 2005 to 2976 USD for with night herons in 2011 , based on the size and medium of the artwork.