United States | |
| Value | 1 US dollar |
|---|---|
| Mass | 26.73 g |
| Diameter | 38.1 mm |
| Edge | Reeded |
| Composition | |
| Silver | 0.77344 troy oz |
| Years of minting | 1840–1873 |
| Mint marks | O, S, CC. Located beneath eagle on reverse. Philadelphia Mint specimens lack a mint mark. |
| Obverse | |
| Design | Liberty seated |
| Designer | Christian Gobrecht |
| Design date | 1840 |
| Reverse | |
| Design | A left-facing bald eagle. Without motto. |
| Designer | Christian Gobrecht |
| Design date | 1840 |
| Design discontinued | 1865 |
 | |
| Design | With motto |
| Designer | Christian Gobrecht |
| Design date | 1866 |
| Design discontinued | 1873 |
The Seated Liberty dollar was a dollar coin struck by the United States Mint from 1840 to 1873 and designed by its chief engraver, Christian Gobrecht. It was the last silver coin of that denomination to be struck before passage of the Coinage Act of 1873, which temporarily ended production of the silver dollar for American commerce. The coin's obverse is based on that of the Gobrecht dollar, which had been minted experimentally from 1836 to 1839. However, the soaring eagle used on the reverse of the Gobrecht dollar was not used; instead, the United States Mint (Mint) used a heraldic eagle, based on a design by late Mint Chief Engraver John Reich first utilized on coins in 1807.
Seated Liberty dollars were initially struck only at the Philadelphia Mint; in 1846, production began at the New Orleans facility. In the late 1840s, the price of silver increased relative to gold because of an increase in supply of the latter caused by the California Gold Rush; this led to the hoarding, export, and melting of American silver coins. The Coinage Act of 1853 decreased the weight of all silver coins of five cents or higher, except for the dollar, but also required a supplemental payment from those wishing their bullion struck into dollar coins. As little silver was being presented to the US Mint at the time, production remained low. In the final years of the series, there was more silver produced in the US, and mintages increased.
In 1866, "In God We Trust" was added to the dollar following its introduction to United States coinage earlier in the decade. Seated Liberty dollar production was halted by the Coinage Act of 1873, which authorized the trade dollar for use in foreign commerce. Representatives of silver interests were unhappy when the metal's price dropped again in the mid-1870s; they advocated the resumption of the free coinage of silver into legal tender, and after the passage of the Bland–Allison Act in 1878, production resumed with the Morgan dollar.