4 volumes. 39 pages. Brown original leather binding with geometric embossed images on the covers, blind-stamped spine title, and gilt head edges. In original slipcase. (Signed Friedrich Kieffer, Plauen). Printed in 300 numbered copies. Presented to the participants of the 1923 conference of the Society of Bibliophiles in Leipzig. This copy is bound in an excellent binding by Friedrich Kieffer, Plauen. Immaculately preserved.