Kai Führer ( 1940 - 2016 ) was a Danish painter. Kai Führer s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 349.79 USD for Bl√• Gr√∏n‚Äù. in 2003 to 1630.69 USD for Sort Hvid in 2019 , based on the size and medium of the artwork.