New York: Bykert Gallery, 1970. Announcement poster for Bill Bollinger's exhibition at Bykert Gallery, New York, April 26 – May 20, 1970. Gallery name and address printed verso. 17 x 19 1/2 inches. Machine-folded twice for mailing; addressed and postmarked verso. Light wear along the folds, and very light soiling, else near fine.