23 x 15.8 cm. 31 pages. Brown original morocco binding with gilt cover title and gilt head edge. - 37th printing by Ernst Ludwig Press. One of 50 copies of the deluxe edition, printed on Japonais and bound in morocco. The large opening initial is printed in gold. Immaculately preserved. - Stürz 37. - Rodenberg 78. - Wilpert/Gühring 2/29. - von Mises 158. - Sarkowski 638.