Nils Severin Andersen ( 1897 - 1972 ) was a South African painter. Nils Severin Andersen s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 376.15 USD for Namibian landscape in 2008 to 3125.06 USD for Goats on a Rocky Hillside in 2013 , based on the size and medium of the artwork.