EditorialAbstract Trio, 1923, Watercolor and transferred printing ink on paper, bordered with gouache and ink, mounted on cardboard, 18 7/8 ? 25 3/8 in. (47.9 ? 64.5 cm), Drawings, Paul Klee (German (born Switzerland), M?nchenbuchsee 1879?1940 Muralto-Locarno),...