| Circulated/Uncirculated | Uncirculated |
|---|---|
| Denomination | 50C |
| Composition | Modern Silver/Clad |
| Year | 1991 |
| Fineness | 0.9 |
| Features | Commemorative |
| Grade | Ungraded |
| Variety | Mount Rushmore |
| Country of Origin | United States |
| Certification | NGC |
Check the listing for details. 1991 S Mount Rushmore Comemmorative Half Dollar NGC SAMPLE SLAB. Made in United States. Listed at 50.00 USD. The 1991 S Mount Rushmore Commemorative Half Dollar NGC Sample Slab is a collectible coin made of modern silver and clad materials. Produced by the United States in 1991, this uncirculated coin features a high grade of 0.9 fineness and is certified by NGC. The coin's design pays tribute to the iconic Mount Rushmore, making it a special and unique addition to any coin collection.