Oswald Tschirtner ( 1920 - ) is a German painter. Oswald Tschirtner s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 696.72 USD for MENSCH AUF EINEM SESSEL SITZEND in 2004 to 5918.28 USD for ''Fünf Menschen'' 1988 in 2017 , based on the size and medium of the artwork.