United States · Twenty Dollars · 1849–1907
| Country | United States (United States Mint) |
| Denomination | Twenty Dollars |
| Years struck | 1849–1907 |
| Gross weight | 33.436 g |
| Fine gold (AGW/ASW) | 30.093 g (0.9675 ozt) |
| Composition | 90.0% gold, 10.0% copper |
| Diameter | 34 mm |
| Thickness | 2.41 mm |
| Edge | Reeded |
| Designer | James B. Longacre |
The Liberty Head double eagle was born of the California Gold Rush and struck for nearly sixty years, each containing 0.9675 troy ounces (30.093 g) of gold. Common dates from the 1890s-1900s trade close to melt; Carson City and early dates carry strong premiums.