Robert Campbell (jr ) ( 1944 - 1993 ) was an Australian painter. Robert Campbell (jr ) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 14946.9 USD for UNTITLED (KANGAROOS) in 2005 to 23163.54 USD for Ash Wednesday 1989 in 2008 , based on the size and medium of the artwork.