Milan Knizak ( 1940 - ) is a Czech painter. Milan Knizak s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 320.87 USD for Senza titolo, 1971/85 in 2008 to 5756.48 USD for DOG, HERO (PES, HRDINA) in 2011 , based on the size and medium of the artwork.