This is a personal communication from Paul Robertson to Marvin Sackner offering a complete set of UR, "a rare artist's publication." It includes UR Nouvelle Series nrs. 1 - 7 , 1963 - 1966. for 7,950 UK pounds for all. -- Source of annotation: Marvin or Ruth Sackner.

The individual works in this book are not identified nor signed. All the signatures are written on the inside page of the unbound cover page. Man Ray's contribution is an aquatint with imagery of abstract markings. The unbound pages in the book are sound poems written by Sabatier. -- Source of annotation: Marvin or Ruth Sackner.

Each internal page of the leaflet has a single, hand painted, artist stamp collaged onto it. The work was done concurrent to an exhibition "Lettrisme & Hypergraphie" held at the Galerie Stadler in 1964; the Sackner Archive holds the ordinary and deluxe edition of this catalogue. According to Frederic Acquaviva, all of the drawings were done by Jacques Spacagna including the forging of signatures. -- Source of annotation: Marvin or Ruth Sackner.

Aude in the title refers to Aude Jessemin, Spacagna's first wife. -- Source of annotation: Marvin or Ruth Sackner.