2006 U.S. State Quarter Silver Proof Coin Set
- The 5 State Quarters released in 2006 were Nevada, Nebraska, Colorado, North Dakota and South Dakota!
- Features a Choice Proof or better condition example of each coin.
- All coins were struck at the San Francisco Mint and are composed of 90% Silver!
- Comes housed in its government issued packaging with Certificate of Authenticity.
In 2004, the U.S. Mint began producing State Quarter Proof Sets featuring coins composed of 90% Silver. They continued to produce the Clad issue as well.