“AIR TO AIR. AMPLIFIED SPACE INSTALLATION WITH TRANSMISSION SYSTEMS FOR COMMUNICATIONS BY LONG DISTANCE AUDIO CONNECTION BETWEEN LOS ANGELES, CALIFORNIA AND NEW YORK CITY, NEW YORK. TRANSMITTING AND RECEIVING TELECOMMUNICATION LOCATION: ACE GALLERY, 811 N. LA CIENEGA BLVD., LOS ANGELES; LEO CASTELLI GALLERY, 4 EAST 77TH STREET, NEW YORK. TIME FOR POSSIBLE CONNECTIONS: CALIFORNIA, 12 NOON TO 3 PM / NEW YORK, 3 TO 6 PM. FEBRUARY 8 TO 22, 1975, TUESDAY THROUGH SATURDAY” from the verso.