| Country: | United states |
| Denomination: | USO 50th Anniversary silver dollar |
| Value: | 1 U.S. Dollar |
| Mass: | 26.73 |
| Diameter: | 38.1 |
| Edge: | Reeded |
| Composition: | 90% Ag 10% Cu |
| Years Of Minting: | 1991 |
| Obverse: | 1991 USO Silver Dollar (obverse).jpg |
| Obverse Design: | USO pennant and the words "50th Anniversary" |
| Obverse Designer: | Robert Lamb |
| Obverse Design Date: | 1991 |
| Reverse: | 1991 USO Silver Dollar (reverse).jpg |
| Reverse Design: | Eagle on top of a globe |
| Reverse Designer: | John Mercanti |
| Reverse Design Date: | 1991 |
The USO 50th Anniversary silver dollar is a commemorative silver dollar issued by the United States Mint in 1991.[1]