Dal Portfolio Myths, Esemplare Non Firmato né Numerato. Timbro a Secco dello Stampatore in Basso a Destra. sul Verso: Timbro Andy Warhol 1981 Publisher Ronald Feldman Fine Arts Inc. New York; D.C. Comics, Inc. 1981 This Interpretation Created By Andy Warhol Is Derived From An Original Version Of Superman Copyrighted By D.C. Comics. Bibliografia: 2003, Andy Warhol Prints. a Catalogue Raisonné 1962-1987, F. Feldman, J. Schellmann, Fourth Edition, Edition Schellmann, Munich/new York, II.260 Pp. 122-217.