‘[NASA MISSION TO MARS] UNTITLED EARLY DEPICTION BY AN UNIDENTIFIED ARTIST OF A NASA MISSION TO MARS, CA. 1960’, Sotheby's

Watercolor, gouache, and pencil on paper, 20 by 28 inches, matted framed and glazed to 34 by 42 inches.

From the Catalogue:
Depiction of four NASA astronauts conducting a spacewalk, the red planet looming in the background and three other spacecraft heading for the planet's surface.
—Courtesy of Sotheby's