Robert Kohl ( 1891 - 1944 ) was an Australian painter. Robert Kohl s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 22.26 USD for Arbres in 2010 to 13006.06 USD for Jug with Flowers standing before a Blue Cupboard in 2010 , based on the size and medium of the artwork.