Ernst Graf ( 1909 - 1988 ) was a Swiss painter. Ernst Graf s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 164.95 USD for Winter am Untersee, 1971. in 2007 to 4923.35 USD for GROSSER PREIS DER SCHWEIZ, 1934 in 2009 , based on the size and medium of the artwork.