Guerrino Mattia Monassi
Guerrino Mattia Monassi was an Italian medalist and engraver. He was a pupil of who called him to Rome in 1934 in the workshop of Torre [dei Capocci]. In 1963 he was appointed chief engraver at the Istituto Poligrafico e [Zecca dello Stato].
Among his best known works is the 1974 silver "Marconi" 500 lire piece.