2005 Silver Proof Set U. Mint Original Government Packaging OGP COA. This official 2005 U. Mint 11 coin Silver Proof Set contains a Sacagawea dollar, Kennedy half dollar, Roosevelt dime and Lincoln cent, both “American Bison” and “Ocean in View” Westward Journey nickels, along with all five Statehood quarters. All coins bear the San Francisco “S” mint mark, and feature extra sharp images and mirror-like surfaces. The half dollar, quarters and dime are all 90% silver. Comes with the original U. Mint packaging, including a certificate of authenticity. These sets were made in 2005 and are not brand new. The packaging may show signs of wear such as minor folds and scrapes. The images used for this listing are stock photos from our inventory. Mint Silver Proof Set.