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Graphic presence - 1971 - etching and aquatint on copper plate 78 × 76,5 cm, 2-color print, Fabriano Rosaspina paper 95 × 95 cm, edition of 90 copies and XXV artist's proofs, Stamperia 2RC print - Rome , Stamperia 2RC edition - Rome - 710100.00
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Graphic presence - 1971a - etching and aquatint on copper plate 78 × 76,5 cm, 2-color print, Fabriano Rosaspina paper 95 × 95 cm, edition of 90 copies and XXV artist's proofs, Stamperia 2RC print - Rome , Stamperia 2RC edition - Rome - 710100.01
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Untitled - 1972 - silkscreen cm.40,5 × 42, 40 characters, Japon paper cm.48 × 64, edition of 75 copies and XXV artist's proofs, Stamperia 2RC print - Rome, AIAP UNESCO edition - 720596.00