Simon De Heer ( 1885 - 1970 ) was a painter. Simon De Heer s works have been put up for auction numerous times, with realized prices varying from 35.33 USD for (De ruïne van Brederode). in 2006 to 152.25 USD for Koeien bij de 'Mooie Nel' (bij Haarlem) in 2011 , based on the size and medium of the artwork.