Fritz Mock ( 1867 - 1919 ) was a Swiss painter. Fritz Mock s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 230.93 USD for Landschaft mit Mühle und Uferlandschaft. in 2007 to 1305.48 USD for Valaisanne à la rose in 2007 , based on the size and medium of the artwork.