Walter Geffcken ( 1872 - 1950 ) was a German painter. Walter Geffcken s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 331.43 USD for Gesellschaft im Salon in 2006 to 1685.18 USD for L'entrée du sultan à la mosquée in 2008 , based on the size and medium of the artwork.