Seth Siegelaub, March 1969 (aka : One Month)

New York City, self-published, 1973. Stapled cover, 21.5 x 18 cm, 31 pp. Also known as One Month, this calendar-as-exhibition featured a different artist's work for each day of the month.

Siegelaub invited 31 contemporary artists to contribute an artwork. Those who did not reply to the invitation were represented by blank pages and included Carl André, Sol Lewitt, Bruce Nauman and Ed Ruscha. In mint state.