Vibration. 1969.
Multiple. Plexiglass plate with silkscreen in colors as well as metal rods in black and blue and nylon threads.
With name on underside as well as with an adhesive label, there signed and typographically numbered. One of 200 copies. Ca. 16 x 54 x 12 cm (6.2 x 21.2 x 4.7 in). [SM].