etching and aquatint, numbered 4/2123.8 x 15 cm (50 x 35 cm, sheet size), (unframed)Signed in pencil lower rightLower left blind stamp of the printer Grafica Romero, RomeLiteratureF. di Castro,La linea astratta dell'incisione italiana, Stamperia Romero 1960 - 1986,publisher Electa 1989 n. 361 p. 120