The reverse design features Mary Golda Ross writing calculations. Behind her, an Atlas-Agena rocket launches into space, with an equation inscribed in its cloud. An astronaut, symbolic of Native American astronauts, including Herrington spacewalks above. In the field behind, a group of stars indicates outer space.
Inscriptions are “UNITED STATES OF AMERICA” and “$1.”
Mintage:
| Philadelphia | Denver | Enhanced | Proof |
| 1,400,000 | 1,400,000 | 43,836 | 1,027,462 |