Oil on canvas Signed upper right. Once more signed on stretcher. 90 x 100 cm (35,4 x 39,3 in) With exhibition label "(Kunst)ausstellung im Glaspalaste zu München 1917 Nr. (2)418" on stretcher as well as with an adhesive label carrying the artist's handwritten address.
Accompanied by a certificate of authenticity issued by Mr. Helmut Krause, Mörfelden-Walldorf, dated 5 May 2011. The work will be included into the forthcoming catalog raisonné.