n.p. Papierfabrik Zerkall bei Düren Renker & Söhne, nd (1930s?). Paperback. Decorative wraps, 23.5 x 16.5 cm, 10 leaves including 4 with illustrations. Very good. Item #23345
Samples of text papers and card stocks. Illustrations depict papermaking and printing in old times. Scarce. OCLC/Worldcat finds 3 copies with this title and publisher though all differ in content from each other.