Ohne Titel (abstracte Zeichnung)

Paul Klee (1879-1940) Ohne Titel (abstracte Zeichnung) signed 'Klee' (upper left); dated and numbered '1914.21.' (on the artist's mount); signed, dated, numbered and inscribed 'Klee abstracte Zeichnung 1914 21' (on the reverse of the artist's mount) pen and ink on paper laid down on the artist's mount sheet: 4 1/8 x 6 7/8 in. (10.4 x 17.6 cm.) the artist's mount: 7 x 9 3/8 in. (17.8 x 23.7 cm.) Drawn in 1914