Silvio Zaniboni (Padova 1896 - Rovereto 1980) Lot of six sheets, including two drawn double-sided, depicting preparatory drawings and sketches for sculptural decorative apparatus. Milan, 1930s. Grease pencil on paper. Mounted on white passepartout cardboard (cm 46x60). (slight defects) Provenance Galleria Daniela Balzaretti, Milan