On the front: signature in the center with black marker "Andy Warhol"; postmark dated April 13, 1976; Illinois postage stamp of the bicentennial of the Declaration of American Independence 1776-1976.
In plexiglass frame. The work is presented with a Certificate of Authenticity from Galerie 32 in Nice.
Some specimens are published in the 'Andy Warhol Vetrine' catalog edited by Achille Bonito Oliva, Silvana Editoriale created for the exhibition at PAN, Palazzo delle Arti in Naples from 18 April to 20 July 2014.