Seal of Montana
| Great Seal of the State of Montana | |
|---|---|
| Versions | |
Territorial and state historical coat of arms (1876) | |
| Armiger | State of Montana |
| Adopted | 1865 |
| Motto | Oro y plata |
The Great Seal of the State of Montana was adopted in 1865, when Montana was a United States Territory. Montana has many popular unofficial mottos including "The last best Place" and "Big Sky Country"