Allan Kaprow. Runner: A Happening by Allan Kaprow, 1968

Offset, 46 x 35.5 cm, printed black on tan paper. Poster for a three day happening involving tarpaper and concrete blocks, held at the Washington University in St Louis from Feb 9 to 11 1968.

Machine folded twice, verso postmarked and addressed to the German artist and publisher Hansjoachim Dietrich in Frankfurt am Main. Mild browning and wrinkling at the intersection of folding lines, generally very good.