Karl Theo Wagner ( 1856 - 1921 ) was an Australian painter. Karl Theo Wagner s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1298.7 USD for Im Hafen einer belgischen Seestadt in 2004 to 5911.91 USD for Blomstermarknad in 2007 , based on the size and medium of the artwork.