Guglielmo Marconi ( 1841 - 1885 ) was a painter. Guglielmo Marconi s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 469.7 USD for Nu féminin, vers 1870 in 2006 to 1107.24 USD for Nu féminin in 2013 , based on the size and medium of the artwork.