Erna I (Kopf). Um 1930.
Pencil drawing.
Lorenz NSK 10.1.15. Signed lower right. On creme laid paper. 30,5 x 40,7 cm (12 x 16 in), size of sheet.
Around 1930 Erna was the artist's favorite model. [SM].

EXHIBITION: Kunstsalon Wolfsberg, Zurich 1938, no. 24 (?).
Galerie Dr. Ernst Hauswedell, Baden-Baden, September - October 1967, no. 33.
Galerie Klihm, Munich 1970 and 1971/72.
Galleria Giulia, Rome, December 1973 - January 1974 and January - February 1985, no. 16 (with illu.).