Raul Viviani ( 1883 - 1965 ) was an Italian painter. Raul Viviani s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 936.06 USD for Paesaggio fluviale in 2004 to 4257.13 USD for NOTTURNO CON FIUME in 2017 , based on the size and medium of the artwork.