| 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-53 |
| Obverse description | |
| Obverse lettering | FIRST STONE LAID ON BALTIMORE & OHIO RAILROAD Hf JULY 4, 1828 |
| Obverse script | Latin |
| Reverse description | |
| Reverse lettering | 1828 JAN. 12 - Treaty with Mexico establishes boundary at Sabine River; MAY 19 - Tariff of Abomi- nations signed by President J.Q. Adams; JULY 4 - Charles Carroll, the last surviving signer of the Declaration of Independence, breaks ground for the con- struction of Baltimore and Ohio Railroad. 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 | 8955265750 |
| Comments |
