Robert Balcke ( 1880 - 1945 ) was a German painter. Robert Balcke s works have been put up for auction numerous times, with realized prices varying from 372.6 USD for Baumblüte in Werder in 2007 to 444.71 USD for Spielende Kinder auf der Wiese in 2011 , based on the size and medium of the artwork.