Stempelkasten (Rubber Stamp Box) 1968 Dieter Roth Stempelkasten (Rubber Stamp Box) Rubber stamps, ink pads, and instruction sheet in box Closed: 2 1/2 x 11 x 11 in. (6.4 x 28 x 28 cm); Open: 2 1/2 x 24 1/4 x 11 in. (63.5 x 61.6 x 28 cm) Gift of the artist