Inscription on the back: "Orbital Rocket Airplane or Space Shuttle, and advanced model./Having left Vandenberg air force base, the shuttle, the shuttle has headed south and passed over the South Pole, and is now / passing over Nova Zembla, traveling toward the North Pole / along the 58 E parallel long [Longitude] / 1976 / Oil on hot pressed art board / Version #5 / 16 x 20 /photo'd (?) / 3/23/78 / 3 x 5". Image reproduced courtesy Bonestell LLC.
