ballpoint pen on paper laid on canvas, in 3 parts

signed and inscribed '3 fogli inseparabili alighiero e boetti' on the reverse of part 1

each 101 x 71 cm (39 3/4 x 27 7/8 in.)
overall 101 x 213.6 cm (39 3/4 x 84 1/8 in.)

Executed circa 1977, this work is accompanied by a certificate of authenticity issued by the Archivio Alighiero Boetti, Rome, and is registered under Archive no. 2194.