Signed lower right. Pencil, Indian ink, diluted Indian ink and biacca on paper. Depero Archive, Rovereto, authenticity certificate on photo.The work presented, numbered at the top "37" and composed in New York between 1929 and 1930, was commissioned by Campari for the realization of a an advertising book (published in 1931) entitled "Numero Unico Futurista Campari" and it represents the final sketch of the 'illustration published on page 45. At the back there is a synthetic glass of the Cordial (3,5x4 cm), which was later published in the book at p. 66.