Guido De Bonis ( 1931 - ) is an Italian painter. Guido De Bonis s works have been put up for auction numerous times, with realized prices varying from 125.01 USD for La lunga notte sull'isola lunga in 2005 to 159.08 USD for La lunga notte sull'isola lunga, 1962 in 2008 , based on the size and medium of the artwork.