1928
sheet: 30.5 x 28.6 cm (12 x 11 1/4 in.) support: 47.3 x 37.5 cm (18 5/8 x 14 3/4 in.) framed: 59 x 50.5 cm (23 1/4 x 19 7/8 in.)
[Buchholz Gallery, New York], sold; to Joy and Marion Levy (1952-2002); Joy Levy (2002-2015), by bequest; to the Busch-Reisinger Museum, 2015.
Graphite, bitumen, and gouache on off-white wove paper
20th centurySwissGraphite on white card
20th centurySwissBlack ink over graphite on cream wove paper
20th centurySwissOil pastel on cream wove paper
20th centurySwissInvisible physical energy on white wove paper. [The actual drawing is a blank sheet of wove paper placed into a handmade glassine envelope which is itself placed into a handmade white wove paper envelope which is then placed into a handmade brown card folder. There is also another handmade glassine envelope which contains a white printed card. The text on the latter reads: "A Couple of Wet Rocks/(invisible drawing/energy)"]
20th centurySwissGray ink on laid paper mounted on board
20th centurySwissWatercolor and gouache on white wove paper
20th centurySwissGraphite on off-white paper
19th-20th centurySwissPastel on paper
20th centurySwissWatercolor over gesso on gauze cloth mounted on paper
20th centurySwissWatercolor on paper
20th centurySwissGraphite on cream wove paper
20th centurySwiss