Brattskoven, Otto. Laurent F. Keller. 10 pp. With 32 plates. 19.5 x 13 cm. Private red leather band d. C. (something rubbed) with gold-plated. Lid and title. Berlin-Frohnau, J. J. Ottens (1929). Art of Time, vol. 4. Only issue. Rare monograph on the sculptor Laurent F. Keller (Monaco 1885 - 1968 Zurich), who portrayed Paul Hindemith and Emmy (Ball-)Hennings, among others. These portraits are also shown in the panel. Mont. Frontispiece by Laurent F. Basement signed. – Well-preserved.