which he transformed into stamps to celebrate his centennial, and he also exhibited them at the Segnapassi Gallery in Pesaro. He also created 25 covers for the books that the most important people of the past and present time would have written about him: Saint Augustine, The Confessions of Cavellini Dante Alighieri, The Divine Cavellini Giulio Carlo Argan, History of the Art of Cavellini Charles Baudelaire, Les fleurs du Cavellini Marcus Tullius Cicero, Orations for Cavellini Charles Darwin, The Evolution of Cavellini John the Evangelist, The Apocalypse of Cavellini Sigmund Freud, Psychopathology of the Life of Cavellini Galileo Galilei, Discourses on Cavellini Leonardo da Vinci, Treatise About the Painting of Cavellini Nikolai Lobachevsky, New Principles of Cavellini Immanuel Kant, Critique of Cavellinian Reason Niccolò Machiavelli, Prince Cavellini Mao Zedong, Pensieri di Cavellini Karl Marx, Il capitale di Cavellini Henry Miller, Tropic of Cavellini Molière, Imaginary Cavellini Friedrich Nietzsche, Thus Spoke Cavellini Omero, Odyssey of Cavellini Ovid, Metamorphosis of Cavellini Saint Paul, Letters to Cavellini Jean Paul Sartre, The Nausea of Cavellini William Shakespeare, Achille Giorgio Vasari, Life and Works of Cavellini The 25 Books were exhibited in Milan at the Cenobio-Visualità Gallery at the beginning of 1973. Then Cavellini wrote an encyclopedia article dedicated to himself, telling his story until the year 2014. He translated the article into four languages and started writing it everywhere: on canvas, sheets, clothes, umbrellas, cardboard and so on. He also wrote it on a white linen suit, which he often wore. He also created 24 Letters written to him by Vincent van Gogh. In 1973 his works were exhibited at the Bertesca Gallery in Genoa, and then at Palazzo dei Diamanti in Ferrara. At this exhibition he met photographer Michelangelo Giuliani, who took pictures of him with the suit, the hat, the tie and the umbrella showing his story. The Exhibitions at Home At the end of 1973 Cavellini began making works of mail art with the 25 Letters, a letter of thanks to each one of the authors who had written books about him, with translations in English, French and Spanish. He printed a catalog of the letters and mailed it to museum and gallery directors, art critics and the most famous artists. That was the first Mostra a domicilio (Exhibition at Home). In January 1974 he exhibited the 25 Books at the Cenobio-Visualità Gallery in Milan. Then he created the 25 Visits