| Location | United States |
| Year | 1973 |
| 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 | Anthony Jones |
| Reference(s) | Franklin#AIS-30 |
| Obverse description | |
| Obverse lettering | FIRST RECONNAISSANCE OF JUPITER AJ PIONEER X |
| Obverse script | Latin |
| Reverse description | |
| Reverse lettering | MARCH 2, 1972. Pioneer X was launched to approach Jupiter, take the first close-up photos of the planet and become the first spacecraft to leave the solar system. FM |
| Reverse script | Latin |
| Engraver | (FM) Franklin Mint (The Franklin Mint), Wawa, Pennsylvania, United States (1964-2003) |
| Mintage | 1973 FM - Proof - 2 970 |
| Catalog ID | 1155715720 |
| Comments |
