Marthe Guillain ( 1890 - 1974 ) was a Belgian painter. Marthe Guillain s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 79.9 USD for Untitled in 2006 to 2295.81 USD for Sunny landscape (tawny colors). in 2019 , based on the size and medium of the artwork.