The object seems to be a big tower. It is located on the owest internal side of Lobachevsky crater, far-side of the Moon, and its pictures have been taken from the Apollo 16 during the 63th revolution (images AS16-121-19407, AS16-M-2872) and 47th revolution (image AS16-P-5029).
Image AS16-121-19407. Credits NASA.
Zoom of the AS16-121-19407. Credit NASA.
Zoom of the AS16-M-2872. Credit NASA.
Zoom of the AS16-P-5029. Credit NASA.