Robert Smithson, Dwan Gallery

Two posters announcing exhibitions at the legendary New York space. (1) Robert Smithson, November 29 1966 - Jan 5 1967. Purple on white stock, 19 x 86 cm, printed both sides. Recto shows gallery information, verso features mathematical graphs and 'positional changes' by Smithson. Folded three times, fine copy. Super rare.

(2) Robert Smithson, March 2-27nd (1968). Printed green on white, 49 x 38 cm, machine folded twice as issued. Poster designed by Smithson featuring a fan-like graphic image. Very good copy. (total 2)