Karsten Oliver Keiseraas ( 1912 - ) is a Norwegian painter. Karsten Oliver Keiseraas s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 349.33 USD for Blomster 1949 in 2004 to 962.9 USD for Vinter i bj√∏rkeskogen in 2004 , based on the size and medium of the artwork.