Kathe Schmidt Kollwitz (after) ( 1867 - 1945 ) was a German painter. Kathe Schmidt Kollwitz (after) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 50 USD for Self-portrait in 2004 to 1000 USD for HEAD OF A WOMAN in 2005 , based on the size and medium of the artwork.