Valerio Mariani ( 1900 - ) is an Italian painter. Valerio Mariani s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 31.34 USD for The Stairs of Campidoglio, Rome in 2005 to 1977.02 USD for Carnac in 2007 , based on the size and medium of the artwork.