FILLIA (Revello 1904 - Turin 1936) Aerial Mystery 1931 oil on canvas cm 60x58 signed lower right on the back cartouche Galleria Arte del XX secolo, Montecatini Terme (PT) The preparatory sketch of the work is published in Fillia e l'avanguardia futurista negli anni del fascismo , edited by Silvia Evangelisti, Arnoldo Mondadori Editore.