ALIGHIERO BOETTI (TURIN 1940 - ROME 1994) 'Untitled (Fifteen Time-wasters...)' 1980 collage and mixed technique on paper 61x50 cm Signed, dedicated and dated April 1980 Provenance Molino Collection, Milan Private collection, Milan Bibliography Alighiero Boetti Archive 'Alighiero Boetti. General Catalogue. Tomo Terzo / 2a' Milan, Electa, 2022, p. 80, no. 1582 colour ill. This work is accompanied by a certificate of authenticity on photograph issued by Archivio Alighiero Boetti, Rome, with n. 580