| Location | United States |
|---|---|
| Year | 1975 |
| Type | Commemorative medal |
| Composition | Bronze |
| Weight | 35.10 g |
| Diameter | 44.5 mm |
| Thickness | 2.90 mm |
| Shape | Round |
| Technique | Milled |
| Orientation | Medal alignment ↑↑ |
| Edge | Plain with inscription |
| Period | |
| Notice | |
| Reference(s) | Franklin#HUS-180 |
| Obverse description | |
|---|---|
| Obverse script | Latin |
| Obverse lettering | POLIO VACCINE DECLARED EFFECTIVE RR APRIL 12, 1955 |
| Reverse description | |
| Reverse script | Latin |
| Reverse lettering | 1955 APR. 1 - Senate ratifies treaty to end U.S. occupation of West Germany; APR. 12 - Report on Salk vaccine test reveals that it gives immunity against poliomyelitis; SEP. 24 - The nation worried by President Eisenhower`s heart attack; DEC. 5 - Merger of AFL and CIO unions. FM |
| Mintage | |
| Numisquare ID | 8421310910 |
| Comments |