Karl August Fahlgren ( 1819 - 1905 ) was a Swedish painter. Karl August Fahlgren s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 224.4 USD for Landskap in 2004 to 2173.62 USD for Insjölandskap med bro, motiv från Norrtälje in 2009 , based on the size and medium of the artwork.