21 x 15cm, 2pp announcement card in printed 16.5 x 23cm envelope with 30 x 21cm, 1pp black on transparent paper insert.

A group show of conceptual artists which included Wincenzo Agnetti, William Anastasi, Marcel Broodthaers, On Kawara, Joseph Kosuth, Les Levine, Yokuta Metsuzawa and Lawrence Weiner. Small portraits of each artist are found on the front of the card (except On Kawara). Details of the show can be found on the transparent sheet which also mentions an artistic intervention on the billboards of the city - folded for mailing. All VG+.