Sigismund De Ivanowski ( 1874 - 1944 ) was an American painter. Sigismund De Ivanowski s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 4780 USD for Woman in the Garden in 2006 to 10625 USD for WINDOW SHOPPERS in 2017 , based on the size and medium of the artwork.