| Location | United States |
| Year | 1970 |
| Type | Collection medallion |
| Composition | Bronze |
| Weight | 24.4 g |
| Diameter | 38.80 mm |
| Thickness | 2.65 mm |
| Shape | Round |
| Technique | Milled |
| Orientation | Medal alignment ↑↑ |
| Edge | Segmented reeding with inscription |
| Period | |
| Notice | Lyle Bush |
| Reference(s) | Franklin#AIS-17 |
| Obverse description | |
| Obverse lettering | FIRST PHOTOGRAPHIC EXPLORATION OF MARS LB MARINER IV |
| Obverse script | Latin |
| Reverse description | |
| Reverse lettering | NOVEMBER 28, 1964. The Mariner IV craft reached the planet Mars on July 14, 1965, a distance of more than 134 million miles, and took 22 photos of the planet`s cratered surface. FM |
| Reverse script | Latin |
| Engraver | (FM) Franklin Mint (The Franklin Mint), Wawa, Pennsylvania, United States (1964-2003) |
| Mintage | 1970 FM - Proof - 7 303 |
| Catalog ID | 2931109270 |
| Comments |
