Signature and date lower right. On the reverse: signature, date and title; Author's ink stamp on frame; label Arte Atelier Art Gallery, Milan, with data of the work.
Bibliography: 2008, Gastone Biggi and painting continues..., G. Ranzi, Maretti, Imola; 2018, Gastone Biggi, Catalog raisonné of paintings, Second Volume, Arturo Carlo Quintavalle, Gloria Bianchino, Skira editore, n. 1370.
Authentication by the author on photo, with n. arch. 1370.