Robert DELVAL ( 1934 - ) is a painter. Robert DELVAL s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 164.93 USD for Nu à la fenêtre ouverte sur Paris in 2004 to 1741.94 USD for LES SOUCIS A LA SOUPIERE BLEUE, in 2005 , based on the size and medium of the artwork.