Fortunato Depero Archive, Rovereto authenticity certificate. Publication: Depero 50, by M. Scudiero, 2009, p. 44. The work is part of the campaign of advertising studies carried out for the company Veglia, producer of alarm clocks. These "first ideas" of Depero, preliminary sketches, were approved and then developed in the executive phase, with Indian ink or collage. It was part of a group of advertising projects carried out in 1928, precisely in the collection n° 2/1928.