1990
21 x 31 cm (8 1/4 x 12 3/16 in.)
Black ink and graphite 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 centurySwissOil paint and graphite over gesso on paper mounted on board
20th centurySwissWatercolor on cream wove paper
20th centurySwissGraphite on paper mounted to board
20th centurySwissWatercolor on paper
20th centurySwissColored pencil, possibly crayon and graphite on off-white laid paper
20th centurySwissOil pastel on cream wove paper
20th centurySwissWhite ink on gray wove paper
20th centurySwissRed ink on off-white Japanese paper
20th centurySwissGraphite, ink, acrylic, on paper
20th centurySwissCharcoal on tan wove paper
20th centurySwiss