Graham Pettman ( 1938 - ) is a painter. Graham Pettman s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 200 USD for Standing Bear, Green in 2011 to 1000 USD for Soapstone carving of man and woman embracing over a figural face either side in 2017 , based on the size and medium of the artwork.