Marianne Von Werefkin ( 1870 - 1938 ) was a Russian painter. Marianne Von Werefkin s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1782.75 USD for SALLE D`ATTENTE in 2004 to 209511.84 USD for Die Fledermäuse in 2015 , based on the size and medium of the artwork.