Gustavo Mancinelli ( 1842 - 1906 ) was an Italian painter. Gustavo Mancinelli s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 540.03 USD for Lago montano in 2007 to 15705.23 USD for The Hostages, Scene in 17th Century Costume in 2008 , based on the size and medium of the artwork.