| Location | United States |
| Year | 1966-1977 |
| Type | Commemorative medal |
| Composition | Bronze |
| Weight | 34.6 g |
| Diameter | 44.40 mm |
| Thickness | 2.85 mm |
| Shape | Round |
| Technique | Milled |
| Orientation | Medal alignment ↑↑ |
| Edge | Plain with inscription |
| Period | |
| Notice | |
| Reference(s) | Franklin#HUS-69 |
| Obverse description | |
| Obverse lettering | MORSE PROVES TELEGRAPH TO CONGRESS RB MAY 24, 1844 |
| Obverse script | Latin |
| Reverse description | |
| Reverse lettering | 1844 MAY 24 - Samuel F. B. Morse sends first telegraph message, `What hath God wrought.` between Washington and Baltimore; MAY 27-29-Democrats nominate James K. Polk as the first `dark horse` candidate; JUNE 15 - Charles Goodyear receives patent for vulcanized rubber. FM |
| Reverse script | Latin |
| Engraver | (FM) Franklin Mint (The Franklin Mint), Wawa, Pennsylvania, United States (1964-date) |
| Mintage | ND
(1966-1977) FM - - 24 836 |
| Catalog ID | 3475142780 |
| Comments |
