Ohne Titel. 1959/60. Object. Acrylic over synthetic resin relief on hard fiber board. Mounted in plexiglass box. Not in Honisch. Verso signed, dated, inscribed and with arrow indicating the direction. 36,5 x 46,5 x 1,7 cm (14,3 x 18,3 x 0,6 in). Plexiglass frame: 38 x 48 x 6,6 cm (14,9 x 18,8 x 2,5 in).
Accompanied by a written expertise issued by Prof. Heinz Mack, Mönchengladbach, from April 2013. The work is registered in the archive's supplemento of the catalog raisonné Honisch under the no. 519 A.