James Robert Granvile Exley ( 1878 - ) is a British painter. James Robert Granvile Exley s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 81.39 USD for Discretion is the Better Part of Valour in 2006 to 431.19 USD for Spangles in 2009 , based on the size and medium of the artwork.