Limited Edition Silver Proof Set 2016. 1 American Eagle One Ounce Silver Proof Coin – This year is the 30. Anniversary of this coin’s introduction. (5) Quarters from the America the Beautiful Quarters® Program honoring Shawnee National Forest in Illinois. Cumberland Gap National Historical Park in Kentucky. Harpers Ferry National Historical Park in West Virginia. Theodore Roosevelt National Park in North Dakota. And Fort Moultrie (Fort Sumter National Monument) in South Carolina. (1) Kennedy half dollar. Accompanied by a Certificate of Authenticity.