27 x 18 cm. 109 pages. Original brown leather binding with spine title, border on boards, vignette, and gilt head edge. (Signed Wübben & Co., Berlin). - 5th printing in the "Das Prisma" series, one of 100 numbered copies of the special edition. Only this edition was bound in leather, and the 6 full-page lithographs are signed by the artist. Immaculately preserved.