Werner Graeff - TWISWABU (weißgrundig)
Casein tempera on cotton 65 x 80.5 cm Framed. Signed and dated 'Werner Graeff 1970' lower right and additionally signed, dated and inscribed 'oben "TWISWABU" Werner Graeff 1970 70/5' to the reverse. - With occasional professional retouching to the outer margins and an inconspicuous water stain to the blue area.
Acquired directly from the artist (1977); Private possession, Rhineland