Siegwald Johannes Dahl ( 1827 - 1902 ) was a German painter. Siegwald Johannes Dahl s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1660.83 USD for Oksekjører, Firenze in 2003 to 7029.88 USD for TRE VÄNNER in 2007 , based on the size and medium of the artwork.