Nils Rundgren Björnjägaren ( 1890 - 1971 ) was a painter. Nils Rundgren Björnjägaren s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 104.75 USD for Untiled in 2010 to 435.79 USD for Untitled in 2014 , based on the size and medium of the artwork.