J Karl Jensen ( 1912 - 1971 ) was a Danish painter. J Karl Jensen s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 159.78 USD for A Danish landscape scenery from Sletten in 2006 to 5014.87 USD for Helligåndshuset (House of the Holy Spirit) in Copenhagen in 2013 , based on the size and medium of the artwork.