Susan Derges ( 1955 - ) is a British painter. Susan Derges s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 3599.28 USD for SHORELINE, 30 NOVEMBER 1998 in 2003 to 24000 USD for The Observer and the Observed #6. in 2011 , based on the size and medium of the artwork.