Keith Namatjira ( 1938 - 1977 ) was an Australian painter. Keith Namatjira s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 431.27 USD for Haast Bluff, NT circa 1972 in 2004 to 1915.58 USD for White Gums and Gorge in 2005 , based on the size and medium of the artwork.