Martha Dix, Berlin (wife of the artist). Galerie Valentien, Stuttgart (acquired from the above). Anon. sale, Christie's, London, 8 February 2005, lot 364. Acquired at the above sale by the present owner.
F. Löffler, Otto Dix, Oeuvre der Gemälde, Recklinghausen, 1981, no. 1930/12 (illustrated).
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