Leif Knudsen ( 1928 - 1975 ) was a Swedish painter. Leif Knudsen s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 47.8 USD for Christ calming the storm in 2005 to 2717.02 USD for Modellen och dödskallen in 2009 , based on the size and medium of the artwork.