Lunar Orbiter I
TRIPTYCH SHOWING MAN'S FIRST LOOK AT THE EARTH FROM THE MOON, 23 AUGUST 1966
Three large silver gelatin prints, each 16 by 20 inches, bearing the printed text, "Lunar Orbiter I High-Resolution Frame 102H. Far Side" and "Part [A, B, and C]" respectively. Part C significantly toned in comparison to the other prints, minor handling wear to all three prints.
See Bowker & Hughes, Lunar Orbiter Photographic Atlas of the Moon; Illustrated in: Cortright, Exploring Space with a Camera, pp 84-85.