First edition limited to an unspecified number of numbered copies (but more than 255 copies according to OCLC). This anniversary edition commemorates the 25 years of the Graphische Kunstdruckerei Gebr. Feyl, Berlin. Text in German with essay on the history of the printing firm, tipped-in black-and-white and color plates, and decorative endpapers and upper and lower boards in the Art Deco style. Includes printing specimens and interior views of the printing plant. Some staining on upper cover, rubbed at extremities. Loosely inserted is a commemorative booklabel which indicates that this set came from the reference library of H.P. Kraus purchased by Oak Knoll Books at the auction sale.