François Marc Eugène Gos ( 1880 - 1975 ) was a Swiss painter. François Marc Eugène Gos s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 331.73 USD for Walliser Stadel in 2004 to 5180.81 USD for Le Matterhorn in 2014 , based on the size and medium of the artwork.