Willi Sitte ( 1921 - 2013 ) was a German painter. Willi Sitte s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 316.38 USD for Baals Lied in 2005 to 1924.07 USD for Woman lying on her back. 1964. in 2007 , based on the size and medium of the artwork.