Ferdinand Liebermann ( 1883 - 1941 ) was a German painter. Ferdinand Liebermann s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 4800 USD for WOMAN ASTRIDE AN OSTRICH in 2004 to 5391.95 USD for Stehender weiblicher Akt. in 2006 , based on the size and medium of the artwork.