VAT rate of 5% is payable on hammer price and at 15% on the buyer's premium
Emil Viktor Mauser, Zurich, by whom acquired directly from the artist, and thence by descent to the present owner.
The Paul Klee Foundation (ed.), Paul Klee Catalogue raisonné, vol. IV, 1923-1926, Bern, 2000, no. 3796.
Braunschweig, Schlossmuseum, [Paul Klee], January - February 1926. Zurich, Kunsthaus, Ausstellung, April - May 1926, no. 17.