Franz Sedlacek ( 1891 - 1944 ) was an Austrian painter. Franz Sedlacek s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1051.69 USD for Der Schriftsteller The author in 2004 to 43475.5 USD for Die straße in 2015 , based on the size and medium of the artwork.