Karl Blocherer ( 1889 - 1964 ) was a German painter. Karl Blocherer s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 137.94 USD for Bachlandschaft mit Bäuerinnen bei der Feldarbeit in 2005 to 952.15 USD for Föhn am See in 2006 , based on the size and medium of the artwork.