Etching on zinc from 1976, signed in pencil by the Artist on the lower right corner. Frame size 52 x 37.5 cm. Paper size 49 x 34 cm. Image size 31.5 x 20.5cm. Edition 100 + XX p.a. + 1 single test. Numbered 74/99. References Piero Dorazio, The engraved work (1962-1993), Edizioni Pananti Florence, pl. 170, p. 120. The artwork is accompanied by a receipt / invoice and a guarantee certificate.