Certificate of authenticity by Galerie Brigitte Schenk, Colonia, Germany.
Published in: "A.R.Penck - Paul Jenkins. Il Segno e il Colore", edited for the exhibition at Galleria Art Plaza, Torino, June 2009. Label of Landesmuseum Oldenburg, Oldenburg Kunstverein, Germany on the reverse.
-private collection, Germany, acquired directlyfrom the artist;
-Galerie Brigitte Schenk, Colonia, Germany;
-Galleria Art Plaza, Torino;
private collection, Italy.
Signed bottom right