Jasper Johns (* 1930) (attrib.), Collage for an exhibition at the Leo Castelli Gallery in New York April 1970. Collage of cut-out colored and black paper (or foil) on silver foil with lettering and triangular motif. Label with artist's designation mounted on the reverse of the cardboard back. u. Brief description, slightly wavy, 54 x 41 cm, behind glass in a removable frame 56 x 43 cm