Signature bottom right. On the reverse: signature, date and title; author's declaration of authenticity dated May 1969; stamps and label La Toleta Art Gallery, Venice with data of the work; General Photographic Archive stamp Umberto Lilloni, Milan, with n. [...] 75; B&B Arte label; label and stamp Galleria Le Arti, Ravenna, with data of the work.
Bibliography: 2002, Catalog Raisonné of paintings and drawings - Umberto Lilloni, volume II, Skira, pag. 439, plate 416 with incorrect measurements.
Authentication on photo Shubert Catalog Work by Umberto Lilloni with n. 1331.