The sky of Galileo Galilei and the sign of Walter Valentini
 1 original etching by Walter Valentini for the cover and 4 etchings inside, numbered and signed by the artist.
 Print
 Cotton paper: Alcantara gr. 190
 Composition: Monotype movable type
 Printing: printing press.
 Dimensions
 size cm. 25 X 36 in loose sheets
 Gubbio, Unaluna
 Circulation
 Edition of 150 numbered copies.
 Peculiarities
 plexiglass case.
 Insights
 Excerpts from the “Sidereus Nuncius”, the letters sent by the mathematician astronomer to Giuliano de Medici and to Gallanzone Gallanzoni by Galileo Galilei, accompany the graphic works of the artist Walter Valentini.
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 The sky of Galileo Galilei and the sign of Walter Valentini
 1 original etching by Walter Valentini for the cover and 4 etchings inside, numbered and signed by the artist.
 Printing
 Cotton paper: Alcantara gr. 190
 Composition: Monotype movable type
 Printing: printing press.
 Size
 25x36 cm, free sheets.
 Printed by Unaluna, Gubbio.
 Number of copies
 Edition of 150 numbered copies.
 Particularity
 Plexiglass case.
 Insights
 Excerpts from the "Sidereus Nuncius", the letters sent by the mathematician astronomer to Giuliano de Medici and to Gallanzone Gallanzoni by Galileo Galilei, accompanying the graphic works of the artist Walter Valentini.