Although Moleskine srl claims their notebook has been used by well-known artists and writers, such as Picasso, Matisse, Kurakin and Hemingway, the brand Moleskine was officially registered only in 1996. Francesco Franceschi, head of Modo & Modo's marketing department, was quoted as saying, "It's an exaggeration. It's marketing, not science. It's not the absolute truth."

Any way, it has it's own Wikipedia entry