Marcello Avenali ( 1912 - 1981 ) was an Italian painter. Marcello Avenali s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1566.58 USD for Cattedrale romana in 2004 to 2089.14 USD for Composizione con numeri in libertà in 2005 , based on the size and medium of the artwork.