Signature in pencil lower right; edition lower left. On the reverse: national lithograph guarantee stamp with [..], Etching, mm. 600x45 (foglio); mm. 465x320 (lastra); es. 7/100
Signature in pencil lower right; edition lower left. On the reverse: national lithograph guarantee stamp with [..], Etching, mm. 600x45 (foglio); mm. 465x320 (lastra); es. 7/100